TY  - JOUR 
T1  - APPLICATION OF AN EXPERIMENTAL METHODOLOGY IN THE OPTIMIZATION OF A TUNGSTEN CONCENTRATION PROCESS BY MICROEMULSIONS
JO  - Brazilian Journal of Chemical Engineering
A1  - RAMOS, A.C.S.
A1  - DANTAS NETO, A.A.
A1  - DANTAS, T.N.C.
SN  - 0104-6632
UL  - 10.1590/S0104-66321997000200008
VL  - 14 
Y1  - 1997
PB  - Brasil 
ER  -