Rajesh KumarEappen, K. P.Shukla, A. K.Tripathi, R. M.Puranik, V. D.2010-07-302010-07-302009http://hdl.handle.net/123456789/32863970 bytestext/htmlenLR 115spark counterradonSolid State Nuclear Track DetectorsSSNTDEstimate of etched tracks by optical method and spark countingArticle