<https://secure.gravatar.com/avatar/2ceddb12358eda6a36b55c84cdb83c92?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://flapyinjapan.com/2010/06/03/nuestro-tributo-a-nikodemo-calico/>