Ludwig, Ralph D.
VIAF ID: 11866475 ( Personal )
Permalink: http://viaf.org/viaf/11866475
Preferred Forms
- 100 1 0 ‡a Ludwig, Ralph D.
Works
Title | Sources |
---|---|
Agricultural drainage wells, impact on ground water, 1990: |
Title | Sources |
---|---|
Agricultural drainage wells, impact on ground water, 1990: |