Sanatombi Devi, Yumkham. Species diversity and palynology of pteridophytes in Thoubal District, Manipur / by Yumkham Sanatombi Devi. - Ph.D. / - Imphal : Manipur University , 2008 - 233p, Appendices ; Subjects--Topical Terms: Botany- Palynology- Pteridophytes Dewey Class. No.: I / P8;1