Thomas, L. C., & Chamberlin, G. J. (1980). Colorimetric chemical analytical methods (9th ed.). Tintometer.
Dyfyniad Arddull ChicagoThomas, L C., and G J. Chamberlin. Colorimetric Chemical Analytical Methods. 9th ed. Salisburg: Tintometer, 1980.
Dyfyniad MLAThomas, L C., and G J. Chamberlin. Colorimetric Chemical Analytical Methods. 9th ed. Tintometer, 1980.
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