by Savitsky, A.V., Ilashchuk, M.I., Parfenyuk, O.A., Ivanchuk, R.D., Ivanchuk, D.D., Ulyanytsky, K.S., Burachek, V.R.
Published in Journal of crystal growth (1998)

by Savitsky, A.V., Ilashchuk, M.I., Parfenyuk, O.A., Ivanchuk, R.D., Ivanchuk, D.D., Ulyanytsky, K.S., Burachek, V.R.
Published in Journal of crystal growth (15.08.1998)