Editor-in-Chief:
Dorel BANABIC
Editorial and Advisory Board:
Mathematics: Technical Sciences:
Dan TIMOTIN - Topical Editor Dan DUBINA - Topical Editor
Marian APRODU Mihail-Viorel BĂDESCU
Lucian BEZNEA Adrian BEJAN (USA)
Sorin DĂSCĂLESCU Ion-Gheorghe BOLDEA
Cezar JOIȚA Liviu MARȘAVINA
Cătălin LEFTER Vasile MARINCA
Răzvan LIȚCANU Alexandru-Mihail MOREGA
 Liviu MARIN Sergiu NEDEVSCHI
Gabriela MARINOSCHI Tudor SIRETEANU
Constantin NICULESCU Eugen-Victor-Cristian RUSU
Radu PRECUP Ladislau VEKÁS
Dan TIBA  
Ioan TOMESCU  
   
Physics: Information Science:
Dorel BUCURESCU - Topical Editor Radu Emil PRECUP - Topical Editor
Irinel CAPRINI Corneliu BURILEANU
Magdalena CIUREA Ioan DUMITRACHE
Gheorghe DINESCU Florin FILIP
Stefan HELL (Germany) Radu ION
Voicu LUPEI Gheorghe PĂUN
Radu MIHAI Gheorghe TECUCI
Ladislau NAGY Horia-Nicolai TEODORESCU
Lucia POPA Dan TUFIȘ
Mircea RADULIAN Nicolae ȚĂPUȘ
Daniel VIZMAN Mihail VOICU
   
Scientific Editorial Secretary:
Dan DUMITRIU  
Technical Editor: Technical Editorial Secretary:
Irina FILIP Violeta MÎNDRIȘOR
Computer Editing: Cover by:
Luiza STAN Mariana MOCANU
The journal is published four times a year.
The journal can be found at the web addresses: www.academiaromana.ro and www.ear.ro
All orders should be sent to:

EDITURA ACADEMIEI ROMÂNE, Calea 13 Septembrie nr. 13, sector 5, P.O. Box 5-42, Bucharest, Romania, RO-76117; Phone/Fax 401-410-3983; 401-410-3448, Phone 401-411-9008.

RODIPET SA, Piața Presei Libere nr. 1, sector 1, P.O. Box 33-57, Bucharest, Romania,
Fax 401-222-6407, Phone 401-618-5103; 401-222-4126.

ORION PRESS IMPEX 2000, P.O. Box 77–19, Bucharest, Romania, Fax 401-324-0638,
Phone 401-653-7985.
Manuscripts, correspondence as well as journals in exchange should be sent to:

Dr. Dan DUMITRIU

Romanian Academy, Technical Sciences Department,
Calea Victoriei 125, RO-010071, Bucharest, Romania,
Phone 40 1-212-8660; Fax 40 1-211-6608; E-mail: Proc-A-Secretary@acad.ro
copyright © Academia Română 2006

copyright © Academia Română 2006