TY  - BOOK
AU  - Welsh, Jim
AU  - McKeag, Michael
TI  - Structured system programming
T2  - Prentice-Hall International series in computer science
SN  - 0876924682
U1  - 005.113 
PY  - 1987///
CY  - New Delhi
PB  - Prentice-Hall of India
ER  -