00543nam a2200181Ia 4500 CTU_16466 210402s9999 xx 000 0 und d 333.92 O.14 Obstendorp, P. A. Aspects of wind energy application for rural water supply P. A. Obstendorp, M. I. M. Huisman Netherlnads University of Twenne 1988 Wind pumps Nguyễn Quang Điền Trung tâm Học liệu Trường Đại học Cần Thơ