T. V. Balayan, E. Y. Ghapantsyan, R. A. Sarkisyan, G. M. Zeytaghyan, and S. K. . Grigoryan, “DETERMINATION OF CONTENTS AND STABILITY OF CHROME(III) WITH TARTARIC ACID IN WATER LIQUID ”, Proc. YSU B: Chem. Biol. Sci., vol. 44, no. 1 (221), pp. 18–22, Feb. 2010.