TY  - BOOK
AU  - Koller, Alois
TI  - WORK POWER AND EFFICIENCY
SN  - 8122402275
U1  - 621.3104 
PY  - 1989///
CY  - New Delhi
PB  - Wiley Eastern
KW  - Electric Apparatus And Appliences
N1  - Translation Of : Arbeit Leistung Wirkungsgrad
ER  -