TY  - BOOK
AU  - Lawlor Steven C
AU  -  College Foothill
TI  - Business mathematics
U1  - B0bX, L6 
PY  - 1976///
CY  - San Francisco 
PB  -  Canfield Press       
KW  - Business mathematics
N1  - Appendix 1-3, 417-440p
ER  -