S.ZEGGARI, T. BOUDJEDAA, L. CHETOUANI
Spinning particle in interaction with plane wave field via path integral..  /185-195/

O. MUSTAFA, M. ODEH
Energy levels of neutral atoms via a new perturbation method. .  /199-210/

R.A. BERTLMANN, E. KOHLPRATH
Schwinger terms in two-dimensional gravitation and Källén´s method..  /211-218/

A.J. SILENKO
Dirac particle polarization in uniform magnetic field. .  /219-222/

M.M. MOSTAFA
Effect of heat treatment on the stress-strain characteristics of Cd-Sn eutectic alloy..  /223-228/

Š. VIŠŇOVSKÝ, K. YASUMOTO
Multilayer anisotropic bi-periodic diffraction gratings..  /229-247/

S.K. SARKAR, A. KARMAKAR, A.K. DE
Influence of nonequilibrium LO phonons on high-frequency performance of one-dimensional hot electrons in. quantum wires of polar semiconductors.  /249-256/

G. ČÍK, F. ŠERŠEŇ, L. DLHÁŇ
Electric conductivity of poly(3-dodecylthiophene) and its dependence on the conformational changes of. polymer chains.  /257-271/
Contents of the journal Československý časopis pro fyziku, Vol.50 (2000), No.4-5 and 6.  /273-274/
Instructions for the Authors.  /275-280/