TY  - GEN
AU  - Snell, Cornelia T
AU  - Snell, Foster Dee
TI  - Colorimetricmethods of analysis: including some turbidimetric and nephelometric methods. V.I. theory-instruments-PH
U1  - 543.0852 SNE 
CY  - Princeton, D. Van Nostrand Company, Inc.
KW  - Analytical chemistry/Calorimetry/Photometry
ER  -