TY  - BOOK
AU  - BECK, LELAND L
TI  - SYSTEM SOFTWARE: INTRODUCTION TO SYSTEMS ENGINEERING 
SN  - 81-7808-036-2
U1  - 005.1 O 03 BEC 
PY  - 2003///
CY  - NEW DELHI
PB  - PEARSON EDUCATION ASIA
ER  -