000 00271nam a2200109Ia 4500
100 _aSargent J R
250 _aEdn 2nd
245 _aMethods in Zone Electrophoresis .-Edn 2nd
260 _bB D H Chemicals, England
082 _aE:26/N69/B08234
300 _app 118; 22*15
999 _c15679
_d15679