|60||Glasersfeld E. von (1980) Viability and the concept of selection . American Psychologist 35(11): 970–974. Available at http://www.vonglasersfeld.com/060|
|60.1||German translation: Chapter 7 in 108 (1987).|
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Created 2003 by Alexander Riegler · Last update: 30 March 2013