He noticed the similarity between the Etruscan script and Serbian Cyrillic? As in, the Cyrillic developed in the 9th century AD? What a long bow to draw...

Also, just because Rascian sounds like Rasna doesn't mean anything - that's like saying that Jesus was clearly a sun god, because he was claimed to be the son of god, I mean come on, son/sun, it's right there man!