TY  - BOOK
AU  - Leffingwell,Dean
AU  - Widrig,Don
TI  - Managing software requirements: a unified approach 
SN  - 0201615932 (recycled paper)
AV  - QA76.76.D47 L44 2000
U1  - 005.1/068 21
PY  - 2000///
CY  - Reading, MA
PB  - Addison-Wesley
KW  - Computer software
KW  - Development
KW  - Management
N1  - Includes bibliographical references (p. 477-480) and index
ER  -