Marin, A. and Santos, D.M.M. dos 2008. Interaction of water stress and aluminum toxicity in pigeon pea cultivated in hydroponics. Pesquisa Agropecuaria Brasileira. 43, 10 (Oct. 2008), 1267–1275. DOI:https://doi.org/10.1590/S1678-3921.pab2008.v43.442.