Fontaneli, R.S. and Freire Júnior, N. 1991. Evaluation of oats and annual ryegrass intercropped with cool-season legumes. Pesquisa Agropecuaria Brasileira. 26, 5 (May 1991), 623–630. DOI:https://doi.org/10.1590/S1678-3921.pab1991.v26.3385.