TY  - BOOK
AU  - Kells,Lyman Morse
AU  - Kern,Willis Frederick
AU  - Bland,James R.
TI  - Plane and spherical trigonometry
PY  - 1951///
CY  - New York
PB  - McGraw-Hill
KW  - Trigonometry
KW  - Study and teaching (Higher)
KW  - Problems, exercises, etc
KW  - Plane trigonometry
KW  - Spherical trigonometry
N1  - Includes index and answers: (p. 369-401) to exercises
ER  -