[by] A. V. Balakrishnan. A. V. Balakrishnan. A.V. Balakrishnan. Ram Balakrishnan. Pulapre Balakrishnan R. Gopalakrishnan editor, P. Ramakrishnan. edited by P. Ramakrishnan. edited by S. Ramakrishnan. edited by Radhika Balakrishnan.