00512nam a2200169Ia 4500 CTU_8013 210402s9999 xx 000 0 und d 633.185 P963 Proceedings of the 1987 : International deepwater rice workshop Manila International rice research institute 1987 Deepwater rice,Rice - research Nguyễn Quang Điền Trung tâm Học liệu Trường Đại học Cần Thơ