Modifiche

===Riferimenti esterni=== <!--T:11-->

===Riferimenti esterni=== <!--T:11-->

* http://www.lucavalente.it/modules.php?name=News&file=article&sid=126

* https://web.archive.org/web/20160401024154/http://www.lucavalente.it/modules.php?name=News&file=article&sid=126

* http://www.pentrace.net/penbase/Data_Returns/full_article.asp?id=416

* https://web.archive.org/web/20140107065837/http://www.pentrace.net/penbase/Data_Returns/full_article.asp?id=416

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===Note===

===Note===