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  1. Ontogenesis and phylogenesis: Their interrelation and their interpretation.P. Smit - 1962 - Acta Biotheoretica 15 (1-3):1-104.
  • Ernst Mach and George Sarton’s Successors: The Implicit Role Model of Teaching Science in USA and Elsewhere, Part II.Hayo Siemsen - 2013 - Science & Education 22 (5):951-1000.
  • Ernst Mach, George Sarton and the Empiry of Teaching Science Part I.Hayo Siemsen - 2012 - Science & Education 21 (4):447-484.