Actes de la IVème Conférence internationale de pédologie, Rome, 12-19 mai 1924
International Conference of Soil Science (4th 1924 Rome) International Institute of Agriculture Bureau of Agricultural Science and Practice
Rome Impr. de l'Institut international d'agriculture 1926
Localização: ESALQ - Biblioteca Central (E 663 4/1924 )(Acessar)