TY  - BOOK
AU  - Checkland, Peter
AU  - Holwell, Sue
TI  - Information, systems and information systems: making sense of the field 
SN  - 0471958204
AV  - T 58.6 C514i 1998 
PY  - 1998///
CY  - New York
PB  - John Wiley & Sons
ER  -