1. G.P. Cherepanov, A.S. Balankin and V.S. Ivanova, in Fracture: A Topical Encyclopedia of Current Knowledge Dedicated to Alan Arnold Griffith (Edited by G.P. Cherepanov), Krieger, Melborne, U.S.A. (1996).
2. A. Chudnovsky and B. Kunin, Journal of Applied Physics 62 (1987) 4124–4129.
3. G.B. Sinclair, M. Kondo and R.V. Pirei, International Journal of Fracture 72 (1995) R3-R10.
4. M.A. Galicia, M.Sc. dissertation, Materials Research Center, Monterrey University of Technology, Mexico (1995).
5. G.P. Cherepanov, Mechanics of Brittle Fracture, McGraw-Hill, New York (1979).