Refine Your Search
Book List
1
-
Study week on organic matter and soil fertility, April 22-27, 1968 = Semaine d'étude sur le thème matière organique et fertilité du sol, 22-27 avril, 1968 / [contrib. by H. Jenny...et al.].
- North-Holland publishing company [etc.],
- 1968.
- Amsterdam [etc.] :