Llwytho...
Smallpox and its eradication
| Prif Awdur: | |
|---|---|
| Fformat: | Printed Book |
| Iaith: | English |
| Cyhoeddwyd: |
Geneva
World Health Organisation
1988
|
| Pynciau: |
| Disgrifiad o'r Eitem: | |
|---|---|
| Disgrifiad Corfforoll: | xvi, 1460p. |