Vinu, S; Syamaprasad, U(Applied Superconductivity and Ceramics Group Materials and Minerals Division, National Institute for Interdisciplinary Science and Technology(CSIR),Thiruvananthapuram, 2011)
Neson Varghese; Syamaprasad, U(Material Science and Technology Division, National Institute For Interdisciplinary Science and Technology (CSIR),Thiruvananthapuram, 2012)