TY  - BOOK
AU  - Friend,D.V.
TI  - Quantitative methods
SN  - 058229696X (pbk.)
AV  - QA43QA43 .F69 1987.F69
U1  - 510/.76 19
PY  - 1987///
CY  - London, New York
PB  - Longman
KW  - Mathematics
KW  - Problems, exercises, etc
N1  - Includes bibliographies and index
ER  -