MFrincu adds: A few interesting articles can be found here (in English):
http://www.arheovest.com/simpozion/arheovest1/53_863_878.pdf
arheovest.com/Archaeoastronomy/Iarcuri/pdf/Afis.pdf
and also in a Youtube video here (narrated in English):
https://www.youtube.com/watch?v=oNZiAHx11N8
Another video of excavations:
https://www.youtube.com/watch?v=JcW-2KHn3YA
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