00304nam a2200121Ia 45000030006000000080041000060400015000471000020000622450062000822600009001445460012001530050017001650STCL150530s9999 xx 000 0 und d aSTCLcSTCL aLederer Michael aIntroduction to paper electrophoresis and related methods c1957 aEnglish20220125170237.0