TY  - BOOK
AU  - Yeates,Don
AU  - Shields,Maura
AU  - Helmy,David
TI  - Systems analysis and design / 
SN  - 0273600664
U1  - 004.21 
PY  - 1994///
CY  - London : 
PB  - Pitman, 
KW  - System analysis
KW  - Systems design
N1  -  Includes bibliographical references and index
ER  -