TY  - BOOK
AU  - Chang, Yih-Long
AU  - Title : Quantitative Systems 
TI  - QS: quantitative systems version 3.0
U1  - 658.403 CHA  
PY  - 1995///
CY  - New Jersey
PB  - Prentice Hall
N1  - Includes index 3 computer disks; 3 1/2 m + 1 manual 
ER  -