O poder centrípeto

http://translate.google.pt/translate?hl=pt-PT&langpair=en%7Cpt&u=http://forum-network.org/lecture/creative-mind-conditions-creative-work
http://www.powerpoint-search.com/el-poder-del-centro-de-rudolf-arnheim-ppt.html
http://sociedadeespiritadoriodejaneiro.blogspot.com/2009/01/o-poder-no-centro-espirita.html