TY - JOUR AN - 002188253 PY - 1990/01/01 TI - Pollination and plant protection in seed production of lucerne (Medicago sativa L.) JO - Proceedings of the Fourth International Symposium on the Harmonization of Methods for Testing the Toxicity of Pesticides to Bees, May VL - 15-18, 1990, Rez near Prague, Czechoslovakia SP - 125 EP - 130 UR - https://eurekamag.com/research/002/188/002188253.php ER -