TY  - BOOK
AU  - Smith, Percey F. and Mikesh, James S.
TI  - Plane trigonometry: : and four-place tables
U1  - 516.24 
PY  - 1952///
CY  - Calcutta
PB  - Oxford and ibh publishing
KW  - Mathematics
KW  - Trigonometry
ER  -