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., ... (...)

Lithology (1)

Сергей Петрович Хромов & Лидия Ивановна Мамонтова

Климатология (1)

V.E. Borthwick & S. Piazolo

Tectonics (1)

J. Ford Brett

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