Lumea neștiută a păsărilor din Delta Dunării
By: Dimitrie Radu.
Publisher: Editura Academiei Republicii Socialiste România
Published: 1988
Place of publication: București
Language: rum
Number of pages: 134
Other titles: Unknown world of Danube Delta birds.; Nevedomyĭ mir ptit͡s︡ v Delʹte Dunai͡a︡.
Notes: Titles on t.p. verso: The unknown world of Danube Delta birds = Nevedomyĭ mir ptit͡s︡ v Delʹte Dunai͡a︡.
Summary in English.