000			00436nam a2200157Ia 4500
008			180712s9999 xx 000 0 und d
020			_a195678273
082			_a546.8 _bNOR
100			_aNORMAN, N.C.
245			_aPeriodicity and the s-and p-block elements
260			_aNew Delhi _bOxford University press _c2005
300			_a90 p.-
440			_aOxford chemistry primers series; no.51
650			_aChemical elements
942			_cR
999			_c31023 _d31023