Radhakrishnan, A N; Peter Koshy; Prabhakar Rao, P(Department of Electron Microscopy Materials Science and Technology Division, National Institute for Interdisciplinary Science and (CSIR), Thiruvananthapuram, 2012)
Sandhya Kumari, L; Prabhakar Rao, P; Peter Koshy(Materials Science and Technology Division, National Institute for Interdisciplinary Science and (CSIR),Thiruvananthapuram, 2012)