Yoneyama, T and Nambiar, P T C and Lee, K K and Srinivasa Rao, B and Williams, J H
(1990)
Nitrogen accumulation in three legumes and two cereals with emphasis on estimation of N2 fixation in the legumes by the natural 15N-abundance technique.
Biology and Fertility of Soils, 09 (01).
pp. 25-30.
ISSN 0178-2762