000			00357nam a2200157Ia 4500
020			_a9780199062812
040			_cPK-LaCSN
082			_a700 _bWorld Book
100			_aWorld Book
245		0	_aOur earth
260			_bWorld book publications _aChicago
300			_a192
942			_cBK
999			_c845730 _d845707