A 345
A 1960
Каталог "Периодика" | Списание
REVUE de l' Unesco pour le science de l' information la bibliotheconomie et l' archivistique
20
Каталог "Книги" | Книги
Взаимоотношенията човек-планински екосистеми
Международен симпозиум Враца 24-29. 10, 83 : По проект 6 на програмата MAB на UNESCO : Т. 1-
(1984)
Т. 1
20
Каталог "Книги" | Книги
Взаимоотношенията човек-планински екосистеми
Международен симпозиум Враца 24-29. 10, 83 : По проект 6 на програмата MAB на UNESCO : Т. 1-
(1984)
Т. 2
Б 2093
20
20
я1/ЗБ/В56
Каталог "Книги" | Книги
Bibliographie de dictionnaires scientifiques et techniques multilingues
(1969)
26
Каталог "Книги"
Congress on irrigation and drainage, III, San Francisco - Los Angeles 30 April -18 May 1957
Vol. I-V
(1957)
Vol. I
26
Каталог "Книги"
Congress on irrigation and drainage, III, San Francisco - Los Angeles 30 April -18 May 1957
Vol. I-V
(1957)
Vol. II
26
Каталог "Книги"
Congress on irrigation and drainage, III, San Francisco - Los Angeles 30 April -18 May 1957
Vol. I-V
(1957)
Vol. III
26
Каталог "Книги"
Congress on irrigation and drainage, III, San Francisco - Los Angeles 30 April -18 May 1957
Vol. I-V
(1957)
Vol. IV
26
Каталог "Книги"
Congress on irrigation and drainage, III, San Francisco - Los Angeles 30 April -18 May 1957
Vol. I-V
(1957)
Vol. V
8036
Каталог "Книги" | Книги
The initial effects of ionizing radiations on cells
A symposium held in Moscow, October, 1960, supported by UNESCO and the IAEA and sponsored by the Academy of Sciences of the U.S.S.R
(1961)
R. Harris
12
Каталог "Книги" | Книги
The Problems of Laboratory Animal Disease
A symposium held at Liblice and Smolenice, 1 September-5 September 1961 under the auspices of UNESCO and of the National institutes of Health U. S. public Health Service
(1962)
R. Harris
18993
Каталог "Книги" | Книги
Immunological methods
A Symposium organized by the Council for International Organizations of Medical Sciences. Established under the joint auspices of UNESCO & WHO
((cop.1964))
J. Ackroyd
51181
Каталог "Книги" | Книги
Information systems their interconection and compatibility
Proceedings of a Symposium on Information systems organized by the IAEA and co-sponsored by the FAO of the united nations and the UNESCO held in Varna, Bulgaria, 30 September - 3 October 1974
(1975)
Каталог "Статии" | Списание
Bulgarian soil classification issues of correlation and harmonization with the international soil classification systems
(2019)
Toma Shishkov
Б 2093