000			00290nam a22001217a 4500
999			_c578 _d578
020			_a978-0-072-36549-8
082			_aCir. 301.3105 En89 c2000
100			_aLyon, Tom
245			_aEnvironment
260			_aUSA: _bDushkin/McGraw-Hill; _cc2000.
300			_ax, 229p. : ill. ; 275cm
942			_cBK