00585nam a2200145Ia 4500008004100000040001700041082002300058100001600081245010300097250000800200260003500208300001500243500010400258650007700362190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta621.3bB694E  aBotton, D J 0aElectric engineering economicsba study of the economics use and supply of electricitycD J Botton  a2nd  aLondonbChapman and Hallc1950  a2v. (V.p.)  aContents: v.1. General principles and choice of plant -v.2. Costs and tariffs in electricity supply  aElectric engineering; Electric utilities-Costs; Electric utilities-Rates