TY  - BOOK
AU  - "ABBOTT,P. "
TI  - "TRIGONOMETRY: A PRACTICAL GUIDE FOR BEGINNERS."
SN  - "0 340 05738 6"
AV  - QA531 .A23
CY  - "London"
KW  - 1. TRIGNOMETRY 2. TRIGNOMETRY -STUDY AND TEACHING.3. GEOMETRY
KW  - "N"
N1  - "N"
ER  -