D.K. Sokolov

title	ISBN-13 (ISBN-10)	year of publica- tion	other author(s)
The Gabrovo Health Services Model in the People's Republic of Bulgaria: Report on a Study	978-92-9O2O-166-3 (92-9O2O-166-5)	1980	J.E Asvall · H.F.K. Zallner