00335nam a2200133Ia 4500008004100000041000800041082001500049100001600064245007200080260001800152300000700170365000800177700001600185230612s9999    xx            000 0 und d  aeng  a621.38 WEI  aWeidlich E.  aConstructional Features And Operating Characteristics Of Fuel Cells  c1991bSiemens  a75  cRs.  aWeidlich E.