TY  - JOUR 
T1  - PhotoMetrix: An Application for Univariate Calibration and Principal Components Analysis Using Colorimetry on Mobile Devices
JO  - Journal of the Brazilian Chemical Society
A1  - Helfer, Gilson A.
A1  - Magnus, Vinícius S.
A1  - Böck, Fernanda C.
A1  - Teichmann, Aline
A1  - Ferrão, Marco F.
A1  - Costa, Adilson B. da
SN  - 0103-5053
UL  - 10.5935/0103-5053.20160182
VL  - 28 
Y1  - 2017
PB  - Brasil 
ER  -