TY  - JOUR 
T1  - Spectrophotometric simultaneous determination of uranium and thorium using partial least squares regression and orthogonal signal correction
JO  - Journal of the Brazilian Chemical Society
A1  - Niazi, Ali
SN  - 0103-5053
UL  - 10.1590/S0103-50532006000500029
VL  - 17 
Y1  - 2006
PB  - Brasil 
ER  -