CONTENTS 
(Volume 55, Number 1, 2003)

NICHOLAS IONESCU-PALLAS, Reflections concerning the genuine origin of the gravitation

MATHEMATICAL AND GENERAL PHYSICS

• RADU MUTIHAC, MARC M. VAN HULLE, A comparative survey on adaptive neural network algorithms for independent component analysis
• V. HRISTEA, ST. COVACI, Projector methods applied to numerical integration of the SN transport equation in x-y geometry
• A. B. MAYHOUB, KHALED S. M. ESSA, SHERIF ALY, Analytical form of pollutants dispersion for different atmospheric conditions

NUCLEAR PHYSICS. PARTICLE PHYSICS

• DAN CUTOIU, Aspects of radioactive waste management

CONDENSED MATTER

• V. GHIORDANESCU, M. SIMA, M. N. GRECU, C. GHICA, Optical and RES spectroscopy of  the Cd0.75Mn0.25Cl2 nanocrystals in polyethylenglycole films
• MIHAELA TANTARU, RODICA MOLDOVAN, A. IUGA, T. BEICA, I. ENACHE, On an ultrasonic method for liquid crystal elastic constants determination
• M. N. GRECU, S. CONSTANTINESCU, V. V. GRECU, Recent results of EPR and Mössbauer investigations on lattice dynamics in ammonium sulphate

PHYSICAL METHODS AND INSTRUMENTATION

• ANA STOICHIOIU, IULIA GEORGESCU, K2Ca2(SO4)3: Eu powder for environmental radiation monitoring with TL ultrasensitivity powder

EARTH PHYSICS

• CRISTIAN CHITARU, DUMITRU ENESCU, Evaluation of Fourier integral. Spectral analysis of seismical events
• C. CHITARU, D. ENESCU, An optical tiltmeter
• EMILIA POPESCU, MIHAELA POPA, MIRCEA RADULIAN, Efficiency of the spectral ratio method to constrain the source scaling properties of the Vrancea (Romania) subcrustal earthquakes