Link

Bobet, A., and Einstein, H.H. (2004). Crack coalescence in brittle materials – overview of current knowledge. In W. Schubert (ed.): Rock Engineering – Theory and Practice. Proceedings of the ISRM regional symposium EUROCK 2004 and the 53rd Geomechanics Colloquy, Salzburg, Austria, 7-9 October (pp. 475-478). Essen: Verlag Gl├╝ckauf. ISBN 978-3773959959