000 00287nam a2200121Ia 4500
008 211209s1980 xx 000 0 und d
041 _aeng
082 _a541.3451 N80 SHA
100 _aSHARMA B K
245 _aCOLLOID CHEMISTRY
260 _bGOEL PUBLISHING HOUSE
_c1980
300 _a268
999 _c18435
_d18435