000			00405nam a2200145Ia 4500
008			151021s9999 xx 000 0 und d
020			_a72909323
050			_aGE 105 .C86 2001
245			_a_Environmental science A global concern [6th ed]
260			_aUSA Mc graw Hill 2001
300			_axix,646p;ill
500			_aIncludes index
650			_a_environment
980			_a^d20110711 06:06:26^okorir
999			_c7804 _d7804