Prathap, P[Prathap, P.]; Devi, GG[Devi, G. Gowri]; Reddy, KTR[Reddy, K. T. Ramakrishna]; Ganesan, V[Ganesan, V.]; Subbaiah, YPV[Subbaiah, Y. P. V.]
ArticleIssue Date2008CitationCURRENT APPLIED PHYSICS, v.8, no.2, pp.120 - 127PublisherELSEVIER SCIENCE BV