Johns, Allan Thomas. creator Salman, S.K. text London The Institution of Engineering and Technology 1997 monographic IX,203p. Electric power distribution 621.319JOH 086341303X (paperback) 9780863413032 (paperback) http://www.amazon.com/exec/obidos/ASIN/086341303X/chopaconline-20 http://www.amazon.com/exec/obidos/ASIN/086341303X/chopaconline-20