1. Alldritt M. Russell A. and El-Guindy. (1996). “Developing a knowledge based system for the selection of trenchless technology methods.” Recueil des communications INFRA '96 CERIU Montreal Canada 451–464.
2. Erdos L. I. (1992). “Rehabilitation of urban pipelines.” Proc. 1992 Nat. Conf. and Symp. on Water Resour. Plng. and Mgmt. of Water Resour. 102–110.
3. Iseley D. T. and Tanwani R. (1992). Trenchless excavation construction methods and equipment manual . National Utility Contractors Association Arlington Va.
4. McKim R. A. (1990). “Risk management for the construction owner ” PhD thesis Univ. of Waterloo Ontario Canada.
5. McKim R. (1995). “Domestic sewer lateral replacement—a new method.” Proc. NASTT No-Dig '95 Conf. and Exhibition.