00279nam a2200121Ia 4500008004100000020001800041041000800059082001100067100001900078245003300097260001900130300000800149230724s2007 xx und d a9780000000000 aeng a333.79 aCLEVELAND C.J. aENCYCLOPEDIA OF ENERGY VOL-6 bELSEVIERc2007 a415