tag:blogger.com,1999:blog-4004911102502834174.post9101611939280214843..comments2022-04-10T21:52:30.499-05:00Comments on Ciencias exactas: Identificacion de rocasUnknownnoreply@blogger.comBlogger1125tag:blogger.com,1999:blog-4004911102502834174.post-33782894999664917212014-02-23T11:30:45.453-06:002014-02-23T11:30:45.453-06:00NO tiene bibliografia, no es una fuente formalNO tiene bibliografia, no es una fuente formalAnonymousnoreply@blogger.com