TY  - BOOK
AU  - Choffrut C Ed.
AU  -  Lengauer T Ed.
ED  - Annual symposiun on theortical aspects of computer science (7 : 1990 : Rouen)
TI  - Proceeding on stacs 90
T2  - Lecture notes in computer science; 415
U1  - D65,8(B)p1,N0, N0 
PY  - 1990///
CY  - Berlin
PB  - Springer-Verlag       
KW  - Computer science
ER  -