TY  - BOOK
AU  - C. V. Durell
AU  - A. Robson
TI  - Advanced Trigonometry
U1  - 516.24 
PY  - 1953///
CY  - London
PB  - Bell and Sons Ltd.
KW  - MCE
N1  - 0; 0; 0; 516_240000000000000_DUR
ER  -