Г.Е. Мекуш & Д.Б. Гелашвили & А.Г. Корнилов & А.Н. Петин (...)

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Ларионов Г.А. & Добровольская Н.Г. & Кирюхина З.П. & Краснов С.Ф. (...)

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Ralph M. Feather Jr., PhD, Assistant Professor Geoscience Department ... & Susan Leach Snyder, Retired Teacher, Consultant Jones Middle ... & Dinah Zike, Educational Consultant Dinah-Might Activities, Inc., ... (...)

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William C. Blackman, Jr.

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