Early civilization.
Gorde:
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
London :
Marshall Cavendish,
1977.
|
| Saila: | The Mind alive encyclopedia.
|
| Gaiak: |
| Alearen deskribapena: | This material has previously appeared in the partwork Mind alive. |
|---|---|
| Deskribapen fisikoa: | 248 p. : illus. |