TY  - BOOK
AU  - Leffingwell,Dean
AU  - Widrig,Don
TI  - Managing software requirements: a use case approach 
T2  - Addison-Wesley object technology series
SN  - 9780321903723 (pbk.)
PY  - 2003///
CY  - Boston
PB  - Addison-Wesley
KW  - Computer software
KW  - Development
KW  - Management
KW  - Use cases (Systems engineering)
N1  - Includes bibliographical references and index
ER  -