TY  - BOOK
AU  - DAVIES, J.R.
AU  - HUGHES, S.
TI  - MANAGERIAL ECONOMICS
SN  - 0 7121 1278 2
U1  - 338.502 465 8 
PY  - 1979///
CY  - London
PB  - MacDonald and Evans Ltd., London 
ER  -