1. Occurrence, Origin and Discharge of Ground Water in Hydrology;Meinzer,1942
2. Geohydrology;De Wiest,1967
3. ‘Experimental Study of Porosity and Permeability of Clastic Sediments’;Frazer;Jl. Geol.,1935
4. Permeability as a Function of the Size Parameters of Unconsolidated Sand;Krumbein;Trans. Am. Inst. Min. Eng.,1943
5. Some Petrographic Factors Relating to Porosity and Permability in the Fell Sandstones of Northumberland;Bell;Q. Jl. Engng. Geol.,1977