Development and properties of cadmium and lead tungstate low-background scintillators for double beta decay experiments - G. P. Kovtun; R. S. Bojko; F. A. Danevich; B. N. Kropivjanskij; V. M. Mokina; T. S. Potina; D. A. Solopikhin; I. A. Tupitsyna; A. P. Shcherban; V. N. Shlegel (Nuclear physics and atomic energy, 2014)