To the Measurements of 3γ/2γ Ratio for Positron Annihilation in Matter Using Annihilation Energy Spectrum
S.K. Andrukhovich, A.V. Berestov, N.M. Antovich and O.N. Metelitsa, page 315,  abstract   Full Text PDF
DOI: 10.12693/APhysPolA.99.315

A Study of Positron Properties in Quartz Crystals and Synthetic Silica Glass
W. Anwand, G. Brauer, M. Hasegawa, O. Dersch and F. Rauch, page 321,  abstract   Full Text PDF
DOI: 10.12693/APhysPolA.99.321

Studying of Nickel Alloys with 1 at.% of Ge, Zn, In, Zr and Pb by Positron Annihilation Methods
A. Baranowski, M. Kostrzewa and M. Szuszkiewicz, page 329,  abstract   Full Text PDF
DOI: 10.12693/APhysPolA.99.329

Analysis of Possible Scattering Processes for Bloch Positronium in Ionic Crystals at Elevated Temperatures
I.V. Bondarev, page 337,  abstract   Full Text PDF
DOI: 10.12693/APhysPolA.99.337

Water Sorption and Dessiccation in a Portland Cement Paste: Positron Annihilation Results
G. Consolati, G. Dotelli and F. Quasso, page 345,  abstract   Full Text PDF
DOI: 10.12693/APhysPolA.99.345

Positron Lifetime Studies of the Subsurface Zones Created under Dry and Lubrication Conditions
J. Dryzek and E. Dryzek, page 351,  abstract   Full Text PDF
DOI: 10.12693/APhysPolA.99.351

Algorithm for Shifting Positron Annihilation Spectra
J. Dryzek and A. Polak, page 355,  abstract   Full Text PDF
DOI: 10.12693/APhysPolA.99.355

Positron Annihilation in Cotton Cellulose
P. Golonka, J. Mayer and E. Dryzek, page 363,  abstract   Full Text PDF
DOI: 10.12693/APhysPolA.99.363

Positron Annihilation in p-Terphenyl Doped with Benzofluorene
T. Goworek and C. Rybka, page 369,  abstract   Full Text PDF
DOI: 10.12693/APhysPolA.99.369

Application of a Pulsed Slow-Positron Beam to Low-Density Polyethylene Film
E. Hamada, N. Oshima, K. Katoh, T. Suzuki, H. Kobayashi, K. Kondo, I. Kanazawa and Y. Ito, page 373,  abstract   Full Text PDF
DOI: 10.12693/APhysPolA.99.373

Liquation of Vycor Glasses - Study by Positron Annihilation Lifetime Method
B. Jasińska, A.L. Dawidowicz and S. Radkiewicz, page 379,  abstract   Full Text PDF
DOI: 10.12693/APhysPolA.99.379

Hydrophobic-Like Solvation in Non-Aqueous Solutions: Positron Annihilation in and Compressibility of Tert-butanol and Tetramethylurea in Ethylene Glycol
K. Jerie, A. Baranowski, J. Gliński and J. Przybylski, page 385,  abstract   Full Text PDF
DOI: 10.12693/APhysPolA.99.385

Structure of Aqueous Solutions of 1,2-, 1,3- and 1,4-Butanediol Investigated by Positron Annihilation and Ultrasonic Methods
K. Jerie, A. Baranowski, J. Gliński, K. Orzechowski and J. Przybylski, page 393,  abstract   Full Text PDF
DOI: 10.12693/APhysPolA.99.393

Positrons and Positroniu m in Grainy and Porous Solids
Zs. Kajcsos, L. Liszkay, G. Duplatre, L. Varga, K. Lazar, G. Pal-Borbely, H.K. Beyer, L. Lohonyai, P. Caullet and J. Patarin, page 399,  abstract   Full Text PDF
DOI: 10.12693/APhysPolA.99.399

Investigation of the Absorption of Annihilation Quanta in Solid and Liquid Ga and BiSn Alloy
A. Kluza, W. Rudzińska and M. Szuszkiewicz, page 407,  abstract   Full Text PDF
DOI: 10.12693/APhysPolA.99.407

Defects in Some Hydrogenated Metallic Materials Studied by Positrons
V.S. Mikhalenkov, page 415,  abstract   Full Text PDF
DOI: 10.12693/APhysPolA.99.415

Study of Defects in GeTe and (GeTe) _1-x (AgBiTe ₂ ) _x Solid Solutions by Positrons
M. Misheva, I. Avramova, St. Plachkova and N. Djourelov, page 423,  abstract   Full Text PDF
DOI: 10.12693/APhysPolA.99.423

Effect of Annealing on Free-Volume Properties of Poly(ethylene Terephthalate) Studied by Positron Annihilation
M. Misheva, N. Djourelov and I. Seganov, page 429,  abstract   Full Text PDF
DOI: 10.12693/APhysPolA.99.429

Characterization of Sn Films on Silicon by Slow Positron Implantation Spectroscopy
N. Nancheva, P. Docheva, W. Anwand and G. Brauer, page 435,  abstract   Full Text PDF
DOI: 10.12693/APhysPolA.99.435

Long-Time Aging Behaviour of the Alloy Al-2024 Characterized by Positron Annihilation Spectroscopy
E.-M. Nicht, G. Brauer and G. Tempus, page 441,  abstract   Full Text PDF
DOI: 10.12693/APhysPolA.99.441

Influence of the Isothermal Annealing on the Free Volume Changes in Thermo-Shrunken Polyethylene by Positron Annihilation
W. Osoba, page 447,  abstract   Full Text PDF
DOI: 10.12693/APhysPolA.99.447

Investigations into the Influence of Hydrogen and Defects on the Spectra of Lifetime of Positrons in Palladium
R. Pietrzak, R. Szatanik and W. Smiatek, page 455,  abstract   Full Text PDF
DOI: 10.12693/APhysPolA.99.455

Surfaces of Electron-Emitting Glasses Studied by a Slow Positron Beam
D. Pliszka, M. Gazda, B. Kusz, K. Trzebiatowski, G.P. Karwasz, W. Deng, R.S. Brusa and A. Zecca, page 465,  abstract   Full Text PDF
DOI: 10.12693/APhysPolA.99.465

Electron-Positron Correlations in Paramagnetic Chromium
A. Rubaszek, Z. Szotek and W.M. Temmerman, page 473,  abstract   Full Text PDF
DOI: 10.12693/APhysPolA.99.473

Positron Annihilation in Pure and Hydrogenated Palladium Deformed by Uniaxial Tension
W. Rudzińska, J. Pająk, Cz. Szymański and R. Szatanik, page 479,  abstract   Full Text PDF
DOI: 10.12693/APhysPolA.99.479

Some Aspects of Positronium Interaction with Elementary Free Volumes in Polymers
V.P. Shantarovich, page 487,  abstract   Full Text PDF
DOI: 10.12693/APhysPolA.99.487

Comments on the Effect of γ-Irradiation on Positronium Formation in Polymers at Low Temperatures
V.P. Shantarovich, T. Hirade, I.B. Kevdina, V.W. Gustov and E.F. Oleinik, page 497,  abstract   Full Text PDF
DOI: 10.12693/APhysPolA.99.497

Enhancement Factors for Electrons in Solids for Some Simple Cases
H. Stachowiak, E. Boroński and G. Banach, page 503,  abstract   Full Text PDF
DOI: 10.12693/APhysPolA.99.503

Positron Irradiation Effects on Positronium Formation in Polycarbonate Sduring a Positron-Annihilation Experiment
T. Suzuki, K. Kondo, E. Hamada and Y. Ito, page 515,  abstract   Full Text PDF
DOI: 10.12693/APhysPolA.99.515

Vapour Absorption in Melamine-Formaldehyde Resin
J. Wawryszczuk, K. Ciesielski and J. Goworek, page 523,  abstract   Full Text PDF
 
DOI: 10.12693/APhysPolA.99.523