01367nam a2200337I 4500 BD-KhUET 20121128171040.0 120724s1958 nyua b 001 0 eng 58012710 /L 0471481807 DLC YSM OCL m/c RCD BD-KhUET 621.31 Kirchmayer, Leon K. 6157 Economic operation of power systems / Leon K. Kirchmayer. New York : Wiley, 1958. viii, 260 p. : illus. ; 24 cm. General Electric series Includes bibliographical references and index. Electric utilities Management. 6158 Electric power-plants Load. 6159 Electric power-plants Costs. 6160 Computers. 5033 General Electric series. 6161 ddc BK 6488 6488 0 0 ddc 0 0 KUETCL KUETCL GEN 1979-05-22 General Bool Exchange 514.50 0 621.31 KIR 3010007831 2012-07-24 00:00:00 1 2012-07-24 BK 0 0 ddc 0 0 KUETCL KUETCL GEN 1979-06-22 General Book Exchange, Khulna. 514.50 0 621.31 KIR 3010007832 2012-11-28 00:00:00 2 2012-11-28 BK