Microspore type D
- Citations total:
- 1
| link
|
From
|
To
|
Geolocation
|
Author - title
|
Year
|
|---|---|---|---|---|---|
| original | Nd | England(Northumberland) | Raistrick,A. The correlation of coal-seams by microspore content. Part 1. The seams of Northumberland. | 1934 |