TY  - BOOK
AU  - Wheldon, Harold J.
AU  - Owler, L. W. J.
TI  - Wheldon's costing simplified
SN  - 9780273027652
U1  - 657.4 
PY  - 1985///
CY  - London
PB  - Pitman
N2  - 1992-01-29
ER  -