editor, N.S. Subba Rao. edited by N.S. Subba Rao. edited by E.C. Subbarao. editor, B.N. Dhawan. editor, C.A. Brebbia. editor, G.R. Purdy. editor, J.S. Gero. editor, L. Lusanna. editor, S.K. Dutta. editor, A.H. Zewail.