Lehrs, E. Man or Matter Introduction to a Spiritual Understanding of Nature on the Basis of Goethe's Method of Training Observation and Thought.
Цитирование в стиле Чикаго (17-е изд.)Lehrs, Ernst. Man or Matter Introduction to a Spiritual Understanding of Nature on the Basis of Goethe's Method of Training Observation and Thought.
Цитирование MLA (9-е изд.)Lehrs, Ernst. Man or Matter Introduction to a Spiritual Understanding of Nature on the Basis of Goethe's Method of Training Observation and Thought.
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