IS:2684(Pii)-1965 Dimentions of electronic values
Indian Standard Institution Manak Bhawan
IS:2684(Pii)-1965 Dimentions of electronic values - ISI Manak bhawan 1966 - 6
IS:2684(Pii)-1965 Dimentions of electronic values - ISI Manak bhawan 1966 - 6