1. Distribution in fracture permeability of a granitic rock mass following a contained nuclear explosion;Boardman;J. Petrol. Tech.,1966
2. Badanie szczelinowatosci skal za pomoca pneumatycznej sondy otworowej;Gwiazda;Biuletyn Glownego Instytutu Gornictwa Rok 23,1973
3. The pneumatic borehole probe for investigation of the fissured state of rocks;Gwiazda;Mining Information Centre, Divisional report 74–95,1974
4. An air injection technique to study the intensity of fracturing around a tunnel in volcanic rocks;Miller;Bull. Ass. Engng Geol.,1974
5. Air injection to evaluate mine rock fractures;Thomas;Compres. Air Mag.,1974