Selected key publications:

1. Barton, N., Lien, R. & Lunde, J. 1974. Engineering classification of rock masses for the design of tunnel support. Rock Mechanics. 6: 4: 189-236.
2. Barton, N. 1976. The shear strength of rock and rock joints. Int. Jour. Rock Mech. Min. Sci. and Geomech. Abstr., Vol. 13, No. 9: 255-279.
     Also NGI Publ. 119, 1978.
3. Barton, N. & Choubey, V. 1977. The shear strength of rock joints in theory and practice. Rock Mechanics 1/2:1-54. Vienna: Springer.
     Also NGI Publ. 119, 1978.
4. Barton, N., Bandis, S. & Bakhtar, K. 1985. Strength, deformation and conductivity coupling of rock joints. Int. J. Rock Mech. & Min. Sci. & Geomech.      Abstr. 22: 3: 121-140.
5. Barton, N. 1986. Deformation phenomena in jointed rock. 8th Laurits Bjerrum Memorial Lecture, Oslo. Publ. in Geotechnique, Vol. 36: 2: 147-167.
6. Barton, N., By, T.L., Chryssanthakis, P., Tunbridge, L., Kristiansen, J., Løset, F., Bhasin, R.K., Westerdahl, H. & Vik, G. 1994. Predicted and      measured performance of the 62m span Norwegian Olympic Ice Hockey Cavern at Gjøvik. Int. J. Rock Mech, Min. Sci. & Geomech.
     Abstr. 31:6: 617-641. Pergamon.
7. Barton, N. 2000. TBM Tunnelling in Jointed and Faulted Rock. 173p. Balkema, Rotterdam.
8. Barton, N. 2002. Some new Q-value correlations to assist in site characterization and tunnel design. Int. J. Rock Mech. & Min. Sci.
     Vol. 39/2:185-216.
9. Barton, N. 2006. Rock Quality, Seismic Velocity, Attenuation and Anisotropy. 729p. Taylor & Francis, UK & Netherlands.
10. Barton, N. 2011. From empiricism, through theory, to problem solving in rock engineering. ISRM Cong., Beijing. 6th Müller Lecture. Proceedings, Taylor & Francis, Vol. 1, Qian & Zhou (eds), pp. 3-14.
11. Barton, N. 2013. Shear strength criteria for rock, rock joints, rock fill and rock masses: Problems and some solutions. Jour. of Rock Mech. and Geotech. Eng., JRMGE Wuhan, Elsevier, 5(2013) 249-261.
12.Barton, N. and E. Grimstad, 2014. Tunnel and cavern support selection in Norway, based on rock mass classification with the Q-system. Norwegian Tunnelling Society, NFF, Publ. 23. 39 p.
13. Barton, N. and B. Shen, 2018. Extension Strain and Rock Strength Limits for Deep Tunnels, Cliffs, Mountain Walls and the Highest Mountains. Rock Mech. and Rock Eng. Springer on-line. https://doi.org/10.1007/s00603-018-1558-2, 18p.