Sources

Britannica Online:  Amundsen   **,** Roald ." // //Compton's// by Britannica//. //Encyclopædia Britannica Online School Edition//. Encyclopædia Britannica,  2010. Web.  17  Dec.  2010. <[|http]://school.eb.com/all/comptons/ article -9272844>.

PBS.org, "Alone on the ice" : []