Pokhriyal, T. C., et al. “Nitrogen Fixation in <I>Albizia, Acacia, Dalbergia< I> And <I>Leucaena leucocephala< I>”;. Indian Forester, vol. 113, no. 5, May 1987, pp. 366-9, doi:10.36808/if/1987/v113i5/9376.