1. Almeida, M. S. S., Jamiolkowski, M. and Peterson, R. W. (1992) Preliminary result of CPT tests in calcareous Quiou sand, In: Proceedings of the International Symposium on Calibration Chamber Testing, Potsdam, New York, 1991, Elsevier, pp. 41–53 (cited by Lunne, Robertson, Powell, Cone Penetration Testing in Geotechnical Practice, Blackie academical and professional, p. 106)
2. Baez, J. I. and Martin, G. R. (1992) Liquefaction observations during installation of stone columns using the vibro-replacement technique, Ground Modification, Geotechnical news, September, pp. 41–44
3. Baldi, G., Bellotti, R., Ghionna, N., Jamiolkowski, M. and Pasqualini, E. (1986) Interpretation of CPT’s and CPTU’s, 2nd Part: drained penetration of sands, In: 4th International Geotechnical Seminar, Field Instrumentation and In-Situ Measurements, Singapore, pp. 143–155
4. The cone penetration test in sands: part II, general inference of state