000 00339nam a2200133Ia 4500
001 2838
008 150525s9999 xx 000 0 und d
020 _a0-85501-511-X
100 _aKoller Alois
245 _aWork, Power And Efficiency
250 _a0
260 _aLondon
_bHeyden & Son
_c1979
650 _aELECTRIC APPARATUS AND APPLIANCES
999 _c30386
_d30386