- Agricultural productivity Statistics Periodicals (1)
- Agricultural resources--Europe Periodicals (1)
- Agriculture--Economic aspects--Europe Periodicals (1)
- Agriculture--Economic aspects--Statistics Periodicals (1)
- Agriculture--Economic aspects--Statistics--Periodicals (1)
- Agriculture--Statistics--Periodicals (1)
- Biology--Periodicals (1)
- Biometry--Periodicals (1)
- Botanical chemistry--Periodicals (1)
- Cytogenetics Periodicals (1)
- Cytology Periodicals (1)
- Economics, Mathematical--Periodicals (1)
- Economics--Periodicals (1)
- Engineering geology--Periodicals (1)
- Food industry and trade--Europe Periodicals (1)
- Genetics Periodicals (1)
- Genetics--Periodicals (1)
- Heredity--Periodicals (1)
- Materia medica, Vegetable--Periodicals (1)
- Nutrition--Periodicals (1)
- Plant physiology--Periodicals (1)
- Rural development--Europe Periodicals (1)
- Science--Periodicals (1)
- Sociology, Rural--Periodicals (1)
- Vitamins--Periodicals (1)
- no value (3)