В. И. Вернадский

Гидрология (1)

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)

Г. Кирхгоф

Астрофизика (1)

Бочевер Ф. М. & Шестаков В. М.