000			00319nam a2200133Ia 4500
008			211209s1993 xx 000 0 und d
020			_a9780631191995
041			_aeng
082			_a712 WIL
100			_aWILLIAMS, MICHAEL
245			_aWETLANDS : A THREATENED LANDSCAPE
260			_bBLACKWELL _c1993
300			_a420
999			_c97634 _d97634