@inproceedings{inproceedingsc111ad51,
title   = {Relationship and incentives in marketing channels of agricultural inputs},
author = {Castro, Luciano Thomé e and Neves, Marcos Fava and Toledo, Geraldo Luciano},
year = {2007},
publisher = {IAMA},
booktitle   = {Annual World Food and Agribusiness Forum Symposium}
}