edited by R. Ramachandran. edited by V.S. Ramachandran. Edited by G.N. Ramachandran. Edited by G. N. Ramachandran. edited by R. Narayanan. edited by P. Ramakrishnan. edited by W. MacLanachan. edited by F. Numachi. edited by Bruce Buchanan. edited by S. Raman.