000			00418nam a2200157Ia 4500
008			230911s9999||||xx |||||||||||||| ||und||
020			_a9780471704119
082			_a333.72 KEL/BOT
100			_aKeller, Edward A
245		0	_aEssentials enviromental science
260			_aNew Delhi _bJohn Wiley _c2008
300			_a454
650			_aENVIRONMENTAL SCIENCE
700			_aKeller, Edward ABotkin, Daniel B
942			_cBK
999			_c3387 _d3387