000			00343nam a2200121 4500
999			_c9326 _d9326
082			_a500 H413 1989
245	1		_aHBJ science : _bnova edition.
260			_aOrlando : _bHarcourt Brace Jovanovich, Publishers, _cc1989.
300			_a374 p. : _bcol. ill. ; 26 cm.
500			_aIncludes glossary and index.
650	1	4	_aScience. _921272
942			_cBK