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Science 23 April 1971:
Vol. 172. no. 3981, p. 360
DOI: 10.1126/science.172.3981.360
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The price of Problems of the Logic of Scientific Knowledge (P. V. Tavanec, Ed.), reviewed 19 February, page 662, Is $28.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)