@Book{1780519400,
author="Angelov, Stefan
and Ангелов bul, Стефан",
title="{\v{C}}umata po pticite v B{\u{a}}lgarija i merki za borba s neja",
series="Nau{\v{c}}no-populjarna redica kn. 11",
year="1949",
publisher="B{\u{a}}lgarska akademija na naukite",
address="Sofija",
note="ot prof. d-r St. Angelov",
note="In kyrillischer Schrift, Text bulgarisch",
note="от проф. д-р Ст. Ангелов",
language="Bulgarian"
}