Author:Klara Obretenova

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Klara Alexandrova Obretenova
A Bulgarian Doctor and scientist


  • Architekton Alexi Rilets (article from the book "Architekton Alexi Rilets") (written together with her son, eng. Alexander Obretenov).

Some works by this author are in the public domain because they have been so released by the Copyright holder. Other works by this author may be copyrighted.