TY  - BOOK
AU  - C. W. Crockett
TI  - Elements of Plane and Spherical Trigonometry
PY  - 1996///
CY  - USA
PB  - American Book Company
KW  - English
KW  - General
N1  - In appendice: Logarithmic and trigonometric tables : five decimal places / edited by C. W. Crockett
ER  -