1. The granite-gneiss problem : evidence from Guyana shield rocks of Southern Guyana   Publication: Georgetown : Geological Survey Department, Ministry of Forest, Lands and Mines, 1966. . 10 p., 4 leaves : ill., maps. , "Paper for presentation at 7th Guiana Geological Conference, Paramaribo, 1966". Availability: No items available: Actions: Add to cart No cover image available No cover image available
2. The granite-gneiss problem :   Publication: Georgetown : Geological Survey Department, Ministry of Forests, Lands and Mines, 1966 . 10 p. , , "Paper fpr presentation at 7th Guiana Geological Conference, Paramaribo , 1966 Date:1966 Availability: Copies available: Turkeyen Campus Science & Technology [QE462 G7 S5] (1), Actions: Add to cart No cover image available No cover image available