TY  - BOOK
AU  - Laidlaw
TI  - Laidlaw mathematics
SN  - 0844570176
AV  - QA 135.5 L343 1987 bk.7 
PY  - 1987///
CY  - Canada
PB  - A division of Doubleday & Company, Inc. 
KW  - Mathematics
N1  - Includes glossary and index
ER  -