TY  - BOOK
AU  - Lange 
AU  - Mason, Robert D.
AU  - Rousos, Temoleon G.
TI  - Mathematics : with business applications 
SN  - 0028001249 
U1  - 658.001 LAN 1993 
PY  - 1993///
CY  - New York
PB  - Mc Graw Hill
KW  - Business mathematics
N1  - Includes index p.649 - 652
ER  -