Tyunina, E. Y., V. G. Badelin, and V. S. Egorkina. “INTERACTION OF NICOTINIC ACID WITH L-PHENYLALANINE IN BUFFER SOLUTIONS: HEAT CAPACITY AND VOLUME PROPERTIES STUDY”. ChemChemTech, Vol. 60, no. 4, May 2017, pp. 33-39, doi:10.6060/tcct.2017604.5548.