000			00430nam a2200157Ia 4500
003			NIELib
008			211019s9999||||xx |||||||||||||| ||und||
020			_a340-04954-5
082			_a546.8 _bDUN
100			_aDunn, R.B.
245			_aThe periodic table atomic structure and valancy
260			_bThe English university press, _c1968. _aLondon :
300			_a55p.; _c19cm
650			_aChandrens' Literature
942			_2ddc _cLM
999			_c80481 _d80481