Protected natural sites in the People 's Republic of Bulgaria

Bibliographic Details
Corporate Authors:	Bulgaria. Ministers of the People 's Republic. Committe on Environmental Protection, Sofia Press (Publisher)
Format:	Conference Proceeding Book
Language:	Greek, Modern (1453- )
Published:	Sofia Press
Subjects:	Βουλγαρία Πάρκα Προστασία Προστατευόμενες περιοχές