APS Penrose Fund Award Brief Noticia del Premio Penrose Fund de la APS Brief from The American Philosophical Society regarding Penrose Fund award to Arthur P. Sorensen, Jr. (1969), $700 Aviso de la American Philosophical Society con relación al premio Penrose Fund de Arthur P. Sorensen, Jr. (1969), $700 (Researcher) (Investigador) (Publisher) (Author) 1969 Article Artículo ailla:242818 http://islandora-ailla.lib.utexas.edu/islandora/object/ailla:242818