@book{book90b220ad,
title   = {Nutricao mineral e adubação dos citros},
author = {Moreira, Celio Soares and Malavolta, Euripedes and Rodriguez, Ody and Sanches, Antonio Celso and Koo, R. C. J},
year = {1979},
publisher = {Instituto da Potassa & Fosfato}
}