Bulletin /
| Format: | Serial |
|---|---|
| Language: | English |
| Published: |
Georgetown Demerara :
Geological Survey of Bristish Guiana,
c1944.
|
| Subjects: |
| Published: | no. 20 (1944)- . -- |
|---|---|
| Item Description: | Parte del material ilustrativo de algunos numeros en bolsillo. -- |
| Physical Description: | números : ilustraciones ; 24 cm |