TY  - BOOK
AU  - Ríos Ramírez,José Gonzalo
TI  - Selection for conformation and yearling gain in beef cattle under northern Mexico range conditions
U1  - T 
PY  - 1976///
CY  - Estados Unidos
PB  - José Gonzalo Ríos Ramírez
KW  - Mejoramiento
KW  - Ganado de carne
N1  - Master of Science, Tesis Maestría, University of New Mexico
ER  -