Dann, W. J., & Evelyn, K. A. (1938). The determination of vitamin A with the photoelectric colorimeter.
Čikaški stil citiranjaDann, William John, i Kenneth Austin Evelyn. The Determination of Vitamin A With the Photoelectric Colorimeter. 1938.
MLA način citiranjaDann, William John, i Kenneth Austin Evelyn. The Determination of Vitamin A With the Photoelectric Colorimeter. 1938.
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