TY  - NS
AU  - Ginkel,M.Van
ED  - Centro Internacional de Mejoramiento de Maiz y Trigo (CIMMYT), Mexico DF (Mexico)
TI  - Commercial wheat, barley and Triticale varieties and area in the RDTN cooperation countries from 1975 till 1982
PY  - 1983///
CY  - Ankara (Turkey) :, 
ER  -