TY  - BOOK
AU  - Corrliss,John J., Berglund, Winifred V.
AU  - x
TI  - Plane trigoometry: x
SN  - x
U1  - 514.5/COP 
PY  - 1958///
CY  - Mifflin
PB  - Baston
KW  - Trigonometry
N1  - x
ER  -