F. H. Karapetian, D. S. Grigoryan, G. G. Tokmajyan, L. F. Karapetian, and A. A. Avetisyan, “STUDY OF INTERMOLECULAR INTERACTION OF FUNCTIONAL SUBSTITUTED BUTENOLIDES IN WATER-ORGANIC SOLVENT MEDIUMS AND THE POTENTIAL OF ERYTROCYDE MEMBRANES ”, Proc. YSU B: Chem. Biol. Sci., vol. 44, no. 2 (222), pp. 7–12, May 2010.