000 00285nam a2200109Ia 4500
008 190829s9999 xx 000 0 und d
082 _a539.1
_bUPA/G
100 _aUPADHYAY, J.G.
245 0 _aGENERAL PROPERTIES OF MATTER
260 _bRam Prasad and Sons, Agra
_aAgra
_c1981
942 _cBK
999 _c1917
_d1917