TY  - BOOK
AU  - Engelfriet Joost
TI  - Simple program schemes and formal languages
T2  - Lecture notes in computer science; 20
U1  - D65,8(B), L44-;1 
PY  - 1974///
CY  - Berlin
PB  - Springer-Verlag         
KW  - Computer science
ER  -