TY  - BOOK
AU  - Hart, William
TI  - Plane and spherical trigonometry with applications
SN  - 971081916X
AV  - QA 533 .H3251 1964
PY  - 1964///]
CY  - Boston
PB  - D.C Heat and Company
KW  - Trigonometry
N1  - Hart, W. ( 1964 } Plane and sphericl trigonometry with applications. Boston, D.C Heat and Company
ER  -