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Galperin P. Ya. Psikhologicheskoye razlichiye orudiy cheloveka i vspomogatelnykh sredstv u zhivotnykh i ego znacheniye = [Psychological difference of human tools and aids in animals and its significance] // Psikhologiya kak obyektivnaya nauka / P. Ya. Galperin. — M.: Izdatelstvo Institut prakticheskoy psikhologii, Voronezh: NPO Modek, 1998. — S. 37—93. — URL: https://psychlib.ru/inc/absid.php?absid=107893.

 • Open description in electronic catalog: 107893