TY  - BOOK
AU  - Davis,Alan M.
TI  - Software requirements: analysis and specification 
SN  - 0138246734
PY  - 1990///
CY  - Englewood Cliffs, N.J.
PB  - Prentice Hall
KW  - Computer software
KW  - Development
N1  - Includes bibliographical references and index
ER  -