For citations:

Korenman Y.I., Krivosheeva O.A. Extraction-spectrophotometric determination of purine alkaloids in water solutions using aliphatic alcohols. Proceedings of the Voronezh State University of Engineering Technologies. 2012;(2):132-134. (In Russ.) https://doi.org/10.20914/2310-1202-2012-2-132-134