Sources of nitrogen compounds in the United States
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| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Washington :
Smithsonian institution,
1916.
|
| Series: | Smithsonian institution publication ;
2421. |
| Subjects: | |
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| Institution: | Library of the Academy of Sciences of the Czech Republic |
| All Items of this Institution: | all items available from Library of the Academy of Sciences of the Czech Republic |
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O nahrazování skupiny diazoniové nitroskupinou O nahrazování skupiny diazoniové nitroskupinou / 
The effects of calcium and magnesium carbonates on some biological transformations of nitrogen in soils The effects of calcium and magnesium carbonates on some biological transformations of nitrogen in soils /