1. Baraka-Lokmane S. Determination of hydraulic conductivities from discrete geometrical characterisation of fractured sandstone cores. Dissertation, Applied Geology, University of Tuebingen, Germany, 1999.
2. Pyrak-Nolte LJ, Myer LR, Cook NGW, Witherspoon PA. Hydraulic and mechanical properties of natural fractures in low permeability rock. Paper Presented at Sixth International Congress on Rock Mechanics, Montreal, Canada, 1987.
3. Laboratory testing of the voids of a fracture;Gentier;Rock Mech Rock Eng,1989
4. Cox BL, Pruess K, Persoff P. A casting and imaging technique for determining void geometry and relative permeability behaviour of a single fracture specimen. Earth Sciences Division, Lawrence Berkeley Laboratory, University of California, Berkeley, CA, 1990. p. 1–6.
5. Dollinger H, Bühler C, Bossart P. Exkavationsprojekt: Epoxidharz-Imprägnations-Experimente. Interner Bericht 94–24, Nagra, National Genossenschaft für die Lagerung radioaktiver Abfälle, 1994.