TY  - BOOK
AU  - Wiegers, Karl Eugene
AU  - Beatty, Joy 
TI  - Software requirements
SN  - 9780735679665
U1  - 005.1/ W645s 23
PY  - 2013///
CY  - New York
PB  - Microsoft Press
N1  -  Includes bibliographical references and index
ER  -