Canjin sarari a cikin samar da kwai a duniya tsakanin 1993 da 2013 na Farfesa Hans-Wilhelm Windhorst, mai nazarin ilimin lissafi na IEC Wannan abun ciki yana samuwa ga Membobin IEC kawai, don Allah shiga or tambaya game da zama memba. Sunan mai amfani ko email * Kalmar siri * Tuna da ni Shiga Rasa kalmarka ta sirri?