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Pfeiffer, Ehrenfried E. | Fruchtbarkeit der erde
VIAF ID: 803151051893033530004 ( Unknown Name Type )
Permalink: http://viaf.org/viaf/803151051893033530004
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Author
:
Pfeiffer, Ehrenfried E.
Language | Title | Expression | Sources |
---|---|---|---|
Danish | Jordens Frugtbarhed : det biologisk-dynamiske Princip | 1975 | |
English | Soil fertility, renewal & preservation; bio-dynamic farming and gardening | 1947 |