TY  - BOOK
AU  - Gill,Norman Thorpe
AU  - Barnard,D.J.
AU  - Vear,Kenneth Charles
TI  - Agricultural botany
SN  - 0715612506 (v.1)
U1  - 630.281 
PY  - 1980///
CY  - London
PB  - Duckworth, 
KW  - AGRICULTURA
KW  - BOTANICA ECONOMICA
N1  - Contenido: v.1. Dicotyledonous crops -- v.2. Monocotyledonous crops -- v.3. Plant breeding and crop improvement -- v.4. Farm weeds -- v.5. Diseases of farm crops -- v.6. Crop physiology
UR  - https://www.cicy.mx/sitios/sib/doctoelectronico/330.pdf
ER  -