00489nam a2200181Ia 4500 CTU_38663 210402s9999 xx 000 0 und d 633.183 I71 IRRI Rice germplasm: collecting, preservation, use IRRI Philippines IRRI 1991 rice,rice - collection and preservation Liên, 990809 Trung tâm Học liệu Trường Đại học Cần Thơ