1. Official methods of analysis,1984
2. Evaluation of nutritive value of promising genotypes of pigeonpea and horsegram in Konkan;AU-GUPTA D.N.;Journal of Phytological Research,2001
3. Mineral nutrients in the shoot biomass of soil cover crops;BORKERT C.M.;Pesquisa Aagropecuária Brasileira,2003
4. Methods of tannin analysis for forage crop evaluation;BURNS R.E.,1963
5. Contenido de taninos y digestibilidadd in vitro de algunos forrajes tropicales: Agroforesteria en las Americas;CHAVES S.V.;Turrialba,1994