Some additional articles including some translated from the Bulgarian by Google:
http://en.wikipedia.org/wiki/Starosel
http://translate.google.com/translate?hl=en&sl=bg&tl=en&u=http%3A%2F%2Fscience.actualno.com%2Fnews_308365.html
http://translate.google.com/translate?js=n&prev=_t&hl=en&ie=UTF-8&layout=2&eotf=1&sl=bg&tl=en&u=http%3A%2F%2Fbg.wikipedia.org%2Fwiki%2F%25D0%25A1%25D1%2582%25D0%25B0%25D1%2580%25D0%25BE%25D1%2581%25D0%25B5%25D0%25BB
http://translate.google.com/translate?js=n&prev=_t&hl=en&ie=UTF-8&layout=2&eotf=1&sl=bg&tl=en&u=http%3A%2F%2Fbg.wikipedia.org%2Fwiki%2F%25D0%259A%25D0%25BE%25D0%25B7%25D0%25B8_%25D0%2593%25D1%2580%25D0%25B0%25D0%25BC%25D0%25B0%25D0%25B4%25D0%25B8
Something is not right. This message is just to keep things from messing up down the road