Credits and references
º First of all I would like to thank all the people who have made it possible for us to know and create these didactic units known as WebQuests.Thanks to Bernie Doge, the WebQuest creator, and thanks to the Comunitat Catalana de WebQuest , fully dedicated to its spreding, study, profit and creation.
º Bibliography:
http://clio.rediris.es/fichas/Holocausto.htm
http://www.ushmm.org/wlc/sp/