TY  - JOUR 
T1  - Adsorption isotherm studies of Cd (II), Pb (II) and Zn (II) ions bioremediation from aqueous solution using unmodified and EDTA-modified maize cob
JO  - Eclética Química
A1  - Igwe, J.C
A1  - Abia, A.A.
SN  - 0100-4670
UL  - 10.1590/S0100-46702007000100005
VL  - 32 
Y1  - 2007
PB  - Brasil 
ER  -