000			00287nam a2200121Ia 4500
008			170207s9999 xx 000 0 und d
082			_aPG 530.4 GOP-P
100			_aGopal
245			_aProperties of matter
300			_a302
650			_aProperties of matter; Physics
942			_cBOOKS
999			_c17907 _d17907