1. Maxey, W. A., “Fracture initiation, propagation and arrest”, 5th Symposium on Line Pipe Research, Houston, 1974.
2. Poynton, W. A., “A theoretical analysis of shear fracture propagation in backfill gas pipeline”, Symposium on Crack Propagation in Pipelines, Newcastle, 1974.
3. AISI, Confidential Technical Report, September 1974.
4. Vogt, G. H., “Full scale fracture behaviour of pipelines”, 6th Symposium on Line Pipe Research, Houston, 1979.
5. DeVito, A., Morini, A., Pozzi, A., Bonomo, F. and Bramante, M., “Bursting full scale tests on 48″ and 56″ diameter pipes for gas transmission”, Offshore Technology Conference, Houston, 1980.