Internet, http://www.nsf.gov/nsb/awards, le 14-10-2004
Information trouvée : Ruth Patrick, Francis Boyer Chair of Limnology Academy of Natural Sciences . National
Medal of Science Recipients 1996 "For her algal research, particularly the ecology
and paleoecology of diatoms, and for elucidating the importance of biodiversity of
aquatic life in ascertaining the natural condition of rivers and the effects of pollution"
Rivers of the United States / Ruth Patrick, 1995
Information trouvée : Titulaire de la Francis Boyer chair of limnology à l'Academy of natural sciences of
Philadelphia, Pennsylvanie, USA (en 1995)