TY  - BOOK
AU  - Murrill P W
AU  - Smith C L
TI  - PL/1 programming
SN  - 0-7002-2410-6
U1  - 005.133 
PY  - 1973///
CY  - N Y
PB  - Intext Educational Pub
KW  - PL/1
KW  - Programming language
ER  -