000			00429nam a2200133Ia 4500
008			211018s9999||||xx |||||||||||||| ||und||
082			_a539.77 _bJA-A
100			_aKaur Jasminder _927740
245		0	_aAnalysi of radium thorium and potassium in some building materials and calculati _cKaur Jasminder
250			_aDr B R
260			_aJalandhar _bDr B R Ambedkar National institute o _c2008
300			_ax,53
942			_cTH
999			_c195419 _d195419