TY  - BOOK
AU  - Tottman, D. R.
TI  - Cereal growth stages and their relevance to the safe use o of herbicides in winter wheat
KW  - Herbicidas
KW  - Trigo
KW  - Crecimiento
N1  - Sobretiro de : Report ARC Weed Research Organization, 1976-77 pp. 44-48
ER  -