The formation of vegetable mould through the action of worms with observations on their habits
| Prif Awdur: | |
|---|---|
| Awduron Eraill: | , |
| Fformat: | Llyfr |
| Iaith: | German |
| Cyhoeddwyd: |
London :
Pickering,
1989
|
| Cyfres: | The Pickering masters
The works of Charles Darwin / ed. by Paul H. Barrett & R. B. Freeman V.28 |
| Disgrifiad Corfforoll: | 5, VIII, 145 S. : Ill. |
|---|---|
| ISBN: | 1-85196-408-8 |
| Rhif Galw: | BL 2 Darw 1 (1986) -28 |