Bodenfruchtbarkeit und des Bodenschutzes, Berlin (East) 1983. (with Ernst Ewald) Bodenkunde, 3rd revised edition, Berlin (East) 1989. (with Rudolf Schubert) Ökologie... 7 KB (643 words) - 12:46, 25 May 2023 |
Bodenfruchtbarkeit und des Bodenschutzes, Berlin (East) 1983. (with Ernst Ewald) Bodenkunde, 3rd revised edition, Berlin (East) 1989. (with Rudolf Schubert) Ökologie... 7 KB (643 words) - 12:46, 25 May 2023 |