TY  - BOOK
AU  - Hubmann,Heinrich
TI  - Formal foundations for software engineering methods
T2  - Lecture notes in computer science,No-1322
SN  - 3540636137
U1  - 005.1 HUB 
PY  - 1997///
CY  - Berlin
PB  - Springer
N1  - Includes bibliographical references
ER  -