000			00000nam a2200000 a 4500
005			20251203091858.0
020			_a0697204561
082			_a363.7, _bD, cun
100			_aCunningham, William P.
245			_aUnderstanding our environment : an introduction
260			_aDubuque _bWm.C. Brown _c1994
300			_axviii, 390p, 26cm
690			_aEnvironmental problems
964			_bEng _c100 _d _e010 _f _g_
997			_a73497 W
999			_c56002 _d56002