TY  - BOOK
AU  - PATRACHARI
AU  - MANI
TI  - Junior trigonometry for colleges
U1  - 512/53 
PY  - 1934///
CY  - London
PB  - Longmans Green & Co. Ltd.
KW  - trigonometry
KW  - Junior
KW  - for
KW  - colleges
ER  -