Mandal, S.Santra, C.Rawesh KumarPramanik, M.Rahman, S.Bhaumik, A.Maity, S.Sen, D.Chowdhury, B.2014-09-032014-09-032014RSC Advances, 2014. Vol. 4 (2): pp. 845-854http://hdl.handle.net/123456789/99465314 bytestext/htmlenNiobium doped hexagonal mesoporous silica (HMS-X) catalystvapor phase Beckmann rearrangement reactionheterogeneous catalytic pathwaysolid acid catalystNiobium doped hexagonal mesoporous silica (HMS-X) catalyst for vapor phase Beckmann rearrangement reactionArticle