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)

Гави И.К. & Ломакин ТЕ. А. & Мироненко В. А. & Шестаков В. М. (...)

Гидрогеология (1)

К.Ю. Еськов

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Peter Lynch

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