TY  - JOUR 
T1  - Titanium and vanadium ethylene polymerization catalysts containing tris(pyrazolyl)borate ligand: Effects of polymerization parameters on activity and polymer properties
JO  - Journal of the Brazilian Chemical Society
A1  - Casagrande, Adriana C. A.
A1  - Gil, Marcelo P.
A1  - Casagrande Jr., Osvaldo L.
SN  - 0103-5053
UL  - 10.1590/S0103-50532005000700029
VL  - 16 
Y1  - 2005
PB  - Brasil 
ER  -