TY  - BOOK
AU  - Snell, Foster. Dee.
AU  - Snell, Cornella. T.
TI  - Colorimetric methods of analysis
U1  - 540.0852/SNE/SNE 
PY  - 1971///
CY  - New York
PB  - Van Nostrand Reinhold Company
KW  - CHEMISTRY
ER  -