000			00342nam a2200133Ia 4500
008			230524s9999 xx 000 0 und d
040			_cUDSM
050			_aQH541.5.F7E3
245		4	_aThe ecology and utilization of African inland waters
260			_c1981
300			_c22cm.
942			_2Library of Congress Classification
942			_cBook
999			_c88657 _d88657