books.google.ithttp://books.google.it/books/about/Colorimetric_methods_of_analysis.html?hl=it&id=y3o3AAAAIAAJ&utm_source=gb-gplus-shareColorimetric methods of analysis
Title Page for Additions List [Page] Colorimetric methods of analysis: including some turbidimetric and nephelometric methods: volume. 2 by ct Snell, fd Snell. - 3rd Edition. ... www.rsc.org/ images/ Mar07CatAdds_tcm18-96519.pdf