TY  - BOOK
AU  - Leithold, Louis.
AU  - Title.
TI  - Essentials of calculus for business and economics
SN  - 0060439475
PY  - 1978///
CY  - New York
PB  - Harper & Row
KW  - Business mathematics
KW  - Calculus
N1  - Includes index
ER  -