@article{articlef48af19f,
title   = {Influence of cationic impurities in acidulated phosphates on the availability of phosphorus to two corn crops},
author = {Prochnow, Luís Ignácio and Kiehl, Jorge de Castro and Raij, B van},
year = {1997},
doi = {10.1080/00103629709369881},
journal   = {Communications in Soil Science and Plant Analysis}
}