TY  - BOOK
AU  - Dowling,Edward T., X
AU  - X
TI  - Schaum: X
SN  - 0071125825 
U1  - 510.2433/D747s 
PY  - 1980///
CY  - New York ; London
PB  - McGraw - Hill
KW  - Economics - Mathematical
KW  - Mathematics
ER  -