Keywords: Pitagorica.jpg Pitagorica Own work by original uploader 2006-11-15 Guido Magnano wikipedia it Guido Magnano Original upload log it wikipedia Elenaf CommonsHelper it wikipedia Pitagorica jpg 2006-11-15 12 37 Guido Magnano 569×136× 45542 bytes <nowiki>Autore Guido Magnano PD-Utente </nowiki> Convert to SVG Musical scales |