Пр 1196
Пр 1196
Каталог "Книги"
Ecological responses of native plants and quidelines for management of Shortgrass range
(1975)
D. etc.
52965
Каталог "Книги" | Книги
Ecological risks : Perspectives from Poland and the United States
(1990)
Wladyslaw etc.
10
28
Каталог "Статии"
A key for some puzzles in ecological parasitology = Клъч към някои загадки на екологичната паразитология
(2000)
Iezhova T.
Каталог "Статии" | Списание
Economic challenges and ecological effectiveness of agri-envorenmental measures in Poland
Jadwiga Ziolkowska
Каталог "Статии" | Списание
Trophic state and macrophyte based assessment of the ecological status of selected reservoirs in Bulgaria
I. Traykov; A. Tosheva
Д9569
Каталог "Дисертации" | Дисетации
Emergy analysis to assess ecological sustainability
Strenths and weaknesses
(2000)
Johanna BJORKLUND
Пр 1712
DV305
DV 91
Каталог "Книги" | Книги
Ecological relationships of plants and animals
(1988)
Henry Howe; Lynn Westley
II 5297
Каталог "Книги" | Книги
Building a Green Economy
Perspectives from Ecological Economics
(2013)
Robert Richardson
Д10951
Каталог "Дисертации" | Дисетации
Plant protection in post-Soviet Kazakhstan
The loss of an ecological perspective
(2009)
Kazbek Toleubayev
50954
50954