Krebs, Charles J. (Nombre personal)

LCCN 66-121: His The lemming cycle at Baker Lake, 1964 (hdg.: Krebs, Charles J.; usage: Charles J. Krebs)

LC data base, 6-20-85 (hdg.: Krebs, Charles J.; usage: Charles J. Krebs)

University of British Columbia WWW site, Sept. 14, 2012 (Charles J. Krebs; professor emeritus, Department of Zoology, retired Dec. 31, 2001)

science.ca WWW site, viewed July 21, 2016 (Charles J. Krebs; b. Sept. 17, 1936, St. Louis, Mo.; residence: Mayne Island, B.C.; professor of zoology at UBC, 1970-2002)

The ecological world view, 2008: t.p. (Charles Krebs)