TY  - JOUR 
T1  - Substituted tridentate pyrazolyl ligands for chromium and nickel-catalyzed ethylene oligomerization reactions: effect of auxiliary ligand on activity and selectivity
JO  - Journal of the Brazilian Chemical Society
A1  - Oliveira, Lucilene L. de
A1  - Campedelli, Roberta R.
A1  - Bergamo, Adão L.
A1  - Santos, Ana H. D. P dos
A1  - Casagrande, Osvaldo L.
SN  - 0103-5053
UL  - 10.1590/S0103-50532010000700019
VL  - 21 
Y1  - 2010
PB  - Brazil 
ER  -