TY  - BOOK
AU  - Hume J N
AU  - Holt R C
TI  - Structured programming using PL/1
SN  - 0-87909-792-2
U1  - 005.133 
PY  - 1975///
CY  - Reston
PB  - Reston Pub
KW  - Computer science
KW  - PL/1
KW  - Programming language
KW  - Structured programming
ER  -