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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Michael Smith & Gary Perry & Jaime Stein & Alexandre Bertrand (...)

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М.И.Волобуев & А.А.Наймарк & В.Н.Вадковский (...)

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