http://ira.is/wp-content/uploads/2016/11/website_head_ira_logo_arial.png00Vilhjálmur Sigurjónssonhttp://ira.is/wp-content/uploads/2016/11/website_head_ira_logo_arial.pngVilhjálmur Sigurjónsson2017-04-06 09:37:242017-04-06 11:37:28Amatörpróf í raffræði og radíótækni (1. útgáfa með viðauka frá 2016)
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