B. Mysen
B. Silvi
Friedrich Liebau
Oleg Vsevolodovich Mazurin
Wilhelm Eitel
Tibor Gasparik
V. I. Babushkin
Frank Dawson Adams
Conference on Silicate Industry and Silicate Science 12th Budapest 1977.
David R. Smith
J. G. Hust
K.F Zacharias
Erich Thilo
George Drake Guthrie
Conference of the Silicate Industry (9th 1967 Budapest)
Dana T. Griffen
V. N. Makarov
Klaus Kaufmann
Agarkov, I͡U. V.
Sydney Abbey