Centro Internacional de Mejoramiento de Maíz y Trigo (CIMMYT)
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International § CIMMYT manages Intellectual Assets as International Public Goods. In case you want to make non-exclusive commercial use of this item or you want to adapt it in any manner and use such adaptation, please contact CIMMYT-Knowledge-Center@cgiar.org indicating the code/name of this item and the kind of use you intend; CIMMYT will contact you with the terms and conditions for such use.
Place of Publication:
El Batan, Texcoco, Mexico
Tillage scenes. [198-?]. CIMMYT.