000			00330nam a2200133Ia 4500
100			_aHill, Marquita K
020			_a978 0 521 67038 8
250			_a2nd ed
942			_cBK
245			_aUnderstanding environmental pollution
260			_aCambridge university press, Cambridge _c2004
082			_a363.73 Hil
300			_axvi, 468
999			_c40277 _d40277