TY  - BOOK
AU  - Engelfriet Joost
TI  - Simple Program scheme and formal languages
SN  - 0-387-06953-4
U1  - 005.131 
PY  - 1974///
CY  - Berlin
PB  - Springer Verlag
KW  - Computer science
KW  - Formal languages
KW  - Programming logic
ER  -