000			00315nam a22001217a 4500
020			_a0-13-115415-X
082			_a500.2 SCI
245			_aScience explorer: _bDiscoveries in life, earth, and physical science.
260			_aBoston: _bPearson, _c2004.
300			_axx, 797 p.
504			_aIncludes index.
942			_cBK
999			_c72594 _d72594