TY  - BOOK
AU  - Engelfriet,Joost
TI  - Lecture notes in computer science
SN  - 0387069534
U1  - 001.6 
PY  - 1974///
CY  - Berlin
PB  - Springer Verlag
KW  - Formal languages
KW  - Computer programming
N1  - Simple program schemes and formal languages
ER  -