Diccionarios On-line

www.foreignword.com
www.wordreference.com
www.thefreedictionary.com
www.answers.com
www.babylon.com
http://ec.europa.eu/eurodicautom/Controller
http://www.yourdictionary.com/
http://www.alphadictionary.com/index.shtml
http://dictionary.cambridge.org/
http://www.onelook.com/
http://www.word2word.com/dictionary.html


Tablas de conversión millas - km / libras - gramos / peso - dollar
http://www40.brinkster.com/rauldom/principal.htm