TY  - BOOK
AU  - AYRES
TI  - THEORY AND PROBLEMS OF PLANE AND SPHERICAL TRIGONOMETRY
U1  - GN514.6AG74O 
PY  - 1954///
CY  - NEW YORK
PB  - SCHAUM PUBLISHING CO.
KW  - THEORY AND PROBLEMS OF PLANE AND SPHERICAL TRIGONOMETRY
N1  - MODERN BOOK HOUSE
ER  -