000			00367nam a2200145Ia 4500
008			180612s9999||||xx |||||||||||||| ||und||
020			_a198557639
041			_aen
082			_a541.901
100			_aNORMAN, Nicholas C.
245		0	_aPeriodicity and the p-Block Elements.
260			_aOxford _bOxford University Press _c1994
300			_a[4], 90, [
942			_cPR
999			_c67447 _d67447