TY  - BOOK
T1  - Theory and problems of plane and spherical trigonometry
A1  - Ayres, Frank
LA  - English
PP  - New York
PB  - Schaum Publishing
YR  - 1954
UL  - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/das.377
OP  - 207
NO  - Contiene 680 problemas resueltos
KW  - Trigonometría
ER  -