TY  - GEN
AU  - Tate Bernard
TI  - Systems Models and Decisions: Systems Modelling
SN  - 0335060501
U1  - 003 
PY  - 1975///
CY  - Walton
PB  - The Open university Press
N1  - Introduction Some Brief Case Histories (Page-7), Systems Modeling (Page-11), Systems (Page-21), A Methods for Systems Modeling (Page-26), A Case Study Biffo Ltd, Steel Sheet Merchants (Page-35), The Process of Building  Symbolic Models (Page-52), One or More Elevator ? A Cautionary Tale (Page-63)
ER  -