1. British government BS8081:1989 "British code of practice for ground anchors".
2. Bruce D.A. Jewel R.A. 1986a "Soil Nailing: Application and Practice - Part 1" Ground Engineering Nov. 10-15.
3. Bruce D.A. Jewel R.A. 1986b. "Soil Nailing: Application and Practice - Part 2" Ground Engineering Nov. 27-33.
4. Clouterre 1991 "Soil nailing recommendations" French research project France
5. CIRIA C637 2005 "Soil Nailing - best practice guidance" ISBN 0-86017-637-1.