@inproceedings{inproceedings4ead9cc0,
title   = {Convergence on dairy cows productivity throughout brazilian states: empirical analysis between 1990 and 2005},
author = {Shirota, Ricardo and Kamogawa, Luiz Fernando Ohara and Nicolella, Alexandre Chibebe},
year = {2007},
booktitle   = {Congresso da Sociedade Brasileira de Economia, Administração e Sociologia Rural - SOBER}
}