TY  - JOUR 
T1  - Heavy metals in Oxisols amended with biosolids and cropped with maize in a long-term experiment
JO  - Scientia Agricola
A1  - Oliveira, Katarzyna Wójcik
A1  - Melo, Wanderley José de
A1  - Pereira, Gener Tadeu
A1  - Melo, Valéria Peruca de
A1  - Melo, Gabriel Maurício Peruca de
SN  - 0103-9016
UL  - 10.1590/S0103-90162005000400012
VL  - 62 
Y1  - 2005
PB  - Brasil 
ER  -