Pylkkänen, P. (1989). Search for meaning: The new spirit in science & philosophy. Thorsons.
Tohutoru Kātū Chicago (17th ed.)Pylkkänen, Paavo. Search for Meaning: The New Spirit in Science & Philosophy. Wellingborough: Thorsons, 1989.
Tohutoro MLA (9th ed.)Pylkkänen, Paavo. Search for Meaning: The New Spirit in Science & Philosophy. Thorsons, 1989.
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