TY  - BOOK
AU  - Lewis,William   Arthur, x
AU  - x
TI  - Overhend costs: Some essays in economic analysis
SN  -    
U1  - 330.1/LEO 
PY  - 1951///
CY  - London
PB  - Allen and  unwin
KW  - Economics
KW  - Economic
ER  -