Разширено търсене
Класификационен индекс да съдържа ТА428
20
Каталог "Книги" | Книги
China
Azolla propagation and small-scale biogas technology. Report on an FAO/UNDP study tour to the People's republic of China, 21 May - 11 June 1978
(1978)
A 1151
Каталог "Книги"
Biological nitrogen fixation in natural and agricultural habitats
Proc. of the Technical Meetings on Biological nitrogen fixation of the Internat. Biological Programme (Section PP-N). Prague and Wageningen, 1970
(1971)
T. Mulder