1. M.G. Gee, A. Gant, I. Hutchings, R. Bethke, K. Schiffman, K. Van Acker, S. Poulat, Y. Gachon, J. von Stebut, Review of Ball Cratering or Micro-Abrasion Testing of Coatings, NPL Report MATC(A)62.
2. Progress towards standardisation of ball cratering;Gee;Wear,2003
3. Composition-depth profiling and interface analysis of surface coatings using ball-cratering and the scanning Auger microprobe;Walls;Surf. Interface Anal.,1979
4. M.G. Gee, Ian M. Hutchings, K. van Acker, K. Schiffman, P. Hatto, J. von Stebut, G. Plint, S. Poulat, Y. Gachon, A. Gant, C. Leroy, R. Vermeersch, Crater: Final Report, NPL Report DEPC-MPE (RES)001, April 2004.
5. M.G. Gee, A. Gant, I.M. Hutchings, K. Schiffman, K. van Acker, Y. Kusano, J. von Stebut, C. Leroy, P. Hatto, G. Plint, S. Poulat, Y. Gachon, Report on Measurement Methods, NPL Report MATC(D)193, April 2004.