000			00348cam a2200121u 4500
999			_c10082 _d10082
082			_aRef 030 Y9 1963 v.1
245	0	0	_aYoung people's science encyclopedia
260			_aChicago _bChildrens Press _c1963
300			_a20 v. _billus. (part col.) col. maps, ports. _c26 cm.
526			_aREFERENCE
650		0	_aScience--Dictionaries.
942			_2ddc _cBK