TY  - JOUR 
T1  - Biogeochemistry of REE elements and tetrad effect in the soil-plant system: a study on volcanic rock covers in southernmost Brazil
JO  - Anais da Academia Brasileira de Ciências
A1  - Cunha, Maria do Carmo Lima e
A1  - Nardi, Lauro V.S.
A1  - Muller, Ingke F.
SN  - 0001-3765
UL  - 10.1590/S0001-37652012005000069
VL  - 84 
Y1  - 2012
PB  - Brasil 
ER  -