1. Systematic packing of spheres with particular relations to porosity and permeability;Fraser;J. Geol.,1935
2. Petroleum Engineering—Drilling and Well Completions;Gatlin,1960
3. Origin of Porosity and Permeability. Lecture Notes;Ellison,1958
4. Microporosity in carbonate rocks;Pittman;Am. Assoc. Petrol. Geol. Bull.,1971
5. The nature and origin of limestone porosity;Hohlt;Colo. School Mines Q,1948