Any julià: diferència entre les revisions

 

== Enllaços externs ==

* {{cite web|url=http://pweb.jps.net/~gangale3/other/allison2_frm.htm|title=What is a "Year" (on Earth or Mars)?|work=pweb.jps.net|year=2001|author=Michael Allison (@ Goddard Institute for Space Studies)|accessdate=2011-07-26|deadurl=yes|archiveurl=https://web.archive.org/web/20110724121012/http://pweb.jps.net/~gangale3/other/allison2_frm.htm|archivedate=2011-07-24|df=}}{{En icon}}

{{ORDENA:Any Julia}}