000			00303nam a2200157Ia 4500
020			_a81-7488-563-3
082			_a541
100			_aArora M.G.
245		0	_aP-block Elements
250			_a-
260			_aN. Delhi _bAnmol Prakashan
300			_a291
500			_a1727
650			_a-
942			_cBK
999			_c36963 _d36963