000 00344nam a2200121Ia 4500
001 MPKV056242
008 120911s9999 xx 000 0 und d
082 _a540
245 _aChemical Abstract vol.78 no.16-18
_c;
246 _aChemical Abstract vol.78 no.16-18
260 _acolumbus,Ohio
_bAmerican chemical society
_c1973
650 _aChemistry
999 _c54236
_d54236