TY  - BOOK
AU  - Boer Germain
TI  - Direct cost and contribution accounting :  An integ   
T2  - Systems and Controls for Financial Management
U1  - X:89F, L4 
PY  - 1974///
CY  - New York
PB  - John Wiley U. S. A.     
KW  - Accounting Management
ER  -