M. V. Bakuntseva, P. P. Gorbic, I. V. Dubrovin, G. N. Kashin, I. V. Laguta, і A. I. Nastasienko, «Synthesis of high-temperature superconducting yttrium-barium cuprate single crystals and study of their properties», Поверхня, вип. 7-8, с. 102-114, Чер 2002.