Hopkins, Donald Percy, 1909-
Hopkins, Donald P. (Donald Percy)
VIAF ID: 311303426 ( Personal )
Permalink: http://viaf.org/viaf/311303426
Preferred Forms
4xx's: Alternate Name Forms (1)
Works
Title | Sources |
---|---|
Chemicals | |
Chemicals, humus, and the soil; a simple presentation of contemporary knowledge and opinions about fertilizers, manures, and soil fertility. | |
Phosphorus and life. |