TY  - BOOK
AU  - Nelson, R. R.
TI  - Breeding plants for disease resistance ; concepts and applications
U1  - 631.522 
PY  - 1973///
CY  - University Park, Penn.
PB  - Pennsylvania State University
KW  - Plantas
KW  - Mejoramiento
KW  - Resistencia a enfermedades
KW  - Resistencia a plagas
ER  -