Narrow search
Showing 1 - 8 of 8
Cover Image
Geography and ecology : a collection of articles 1971-1981
Gerasimov, Innokentij P. - 1983
Persistent link: https://www.econbiz.de/10014341315
Cover Image
Natural resources of the Soviet Union : their use and renewal
Armand, David Lʹvovič; Ėfron, K. M.; Romanowski, Jacek I. - 1971
Persistent link: https://www.econbiz.de/10001416949
Cover Image
Information Bulgaria : a short encyclopaedia of the People's Republic of Bulgaria
1985 - 1. ed.
Persistent link: https://www.econbiz.de/10000420400
Cover Image
Methodological problems of science : the iteration cycle ; science - methodology of science
Polikarov, Azarja P. - 1983
Persistent link: https://www.econbiz.de/10000022151
Cover Image
Reference book / Bulgarian Academy of Sciences
Sendov, Blagovest (ed.) - Bălgarska akademija na naukite - 1984
Persistent link: https://www.econbiz.de/10014367057
Cover Image
Introducing research results into practice : proceedings of Bilateral Bulgarian and American Seminar on the Introducing Research Results into Practice, Sofia, October 6 to 17, 1986
Sendov, Blagovest (contributor); Popchev, Ivan (contributor) - 1987
Persistent link: https://www.econbiz.de/10014385392