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Manoharan, LC (1974) Automatic charging of lead acid batteries using silicon controlled rectifiers. International Journal of Electronics, 36 (2). pp. 231-238.
Manoharan, LC and Neelakantan, S (1974) The decade counter SN 7490 as a divide by 'n' counter. International Journal of Electronics, 36 (1). pp. 141-144.
Sankaranarayanan, PE (1974) A wide band sanky phase shifter for phase sensitive detectors. International Journal of Electronics, 36 (1). pp. 35-40.