Field observations on aphids that spread abaca mosaic
| Hovedforfatter: | |
|---|---|
| Andre forfattere: | , , |
| Format: | Bog |
| Sprog: | English |
| Udgivet: |
Manila
Bureau of Print.
1950.
|
| Serier: | Bureau of Plant Industry Circular
no.1, post war series |
| Fag: |