Пр 1362
Каталог "Книги"
Marketing practices, problems, and alternatives of the pecan-shelling industry in the southwest
(1971)
Thomas Clevenger; Gerald Cambell
Пр 1076
Каталог "Книги"
Stray voltage problems with dairy cows
(1982)
H. Cloud; R. Gustafson; R. Appleman;
R. Gustafson
и др.
6
II 3544
14
Каталог "Книги" | Книги
Approximate methods in optimization problems
(1970)
Vladimir Demyanov; Aleksandr Rubinov
14
Каталог "Книги" | Книги
Economic problems of agriculture in industrial societies
Proc. of a conf. held by the Internat. economic association
(1969)
Ugo Nunn
28868
10
20
Каталог "Книги" | Книги
Environmental problems of agriculture
T. 1 -
(1978)
T. 1 Waterrelated environmental impacts of agriculture at the field level
Пр 1831
Пр 1733
Каталог "Книги"
Food problems and the prospects in Sub-Saharan Africa
The Decade of the 1980's
(1981)
Cheryl Christensen; et al.
12391
Каталог "Книги" | Книги
The American Rural School. Its characteristics, its future and its problems
(1918)
Harold Foght
52502
Пр 1362
I 1514
Каталог "Статии" | Списание
Current problems of polish sheep breeding = Актуални проблеми на полското овцевъдство
(1996)
Gabryszuk M.
Каталог "Статии" | Списание
Incidence of peoduction diseases and other health problems in a group of dairy herds in England = Склонност към болести, свързани с млякото, и други здравни проблеми на лактиращите крави в Англия
(1996)
Kossaibati R.
Каталог "Статии" | Списание
Methodological problems of nitrogen matter determination in cow's milk = Методологични проблеми при определянето на азота в кравето мляко
(1995)
Jedelska R.