TY - GEN AU - Hayward, P.R. et al. TI - Developments in the Business and Practice of Cereal Seed Trading and Technology SN - 0-905868-02-1 U1 - 633.1 PY - 1978/// CY - London PB - The Gavin Press KW - CEREAL SEED BUSINESS PRACTIVE TRADING TECHNOLOGY QUALITY VIGOR MARKET ER -