TY  - GEN
AU  - Snell, Cornelia T
AU  - Snell, Foster dee
TI  - Colorimetric methods of analysis:  Including  some turbidimetric and nephelometric methods . V3
U1  - 543.0852 SNE 
CY  - London, D . Von Nostrand company Inc
KW  - Analytical chemistry/  Optical methods/ Photometric analysis/ Nephelometric methods
ER  -