[50th Anniversary of the District Veterinary Research Institute in Stara Zagora].
D000047:Academies and Institutes / Q000266:history*; D002031:Bulgaria; D049673:History, 20th Century; D014730:Veterinary Medicine / Q000266:history*
Petdeset godini raĭonen nauchnoizsledovatelski veterinaren institut v Stara Zagora.