TY - BOOK AU - Cole Z S AU - Paenson Marc TI - World resources of cereals, leguminous seed crops and flax, and their utilization in plant breeding U1 - 633 PY - 1960/// CY - Washington PB - National Science Foundation KW - CerealsLeguminous seed crops KW - Field crops KW - Flax N1 - Agroecological survey of the main field crops. Tr. from Russian ER -