TY  - BOOK
AU  - Webster G. H.
AU  -  Oliver J. M.
TI  - Manager's enciornment :  An economic approach   
T2  - Managemenr Series
U1  - X:87, L0 
PY  - 1970///
CY  - London
PB  - Pan Books UK        
KW  - Executive
ER  -