Shkodrani, N., Daja, S. and Ormeni, R. (2010) Engineering Characteristics of the Expected Shaking at Semani Site in Albania. ACEE-2010, Proceedings of the 3rd Asia Conference on Earthquake Engineering Disaster Risk Reduction and Capacity Building for Safer Environnment, Bangkok, 1-3 Decemeber 2010.
 Idriss, I.M. and Boulanger, R.W. (2008) Soil Liquefaction during Earthquake. EERI Publication, Monograph MNO-12, Earthquake Engineering Research Institute, Oakland.
 Robertson, P.K. (2010) Soil Behaviour Type from the CPT: An Update. 2nd International Symposium on Cone Penetration Testing, Huntington Beach, Vol. 2, 575-583.
 Idriss, I.M. (1999) An Update to the Seed-Idriss Simplified Procedure for Evaluating Liquefaction Potential. Proceedings of TRB Workshop on New Approaches to Liquefaction, Federal Highway Administration, Washington DC, 10 January 1999.
 Idriss, I.M. and Boulanger, R.W. (2003) Relating K_α and K_σ to SPT Blow Count and to CPT Tip Resistance for Use in Evaluating Liquefaction Potential. Proceedings of the 20th Annual Conference of Association of State Dam Safety Officials, ASDSO, Lexington, 8-10 September 2003, 7-10.
 Zhang, G., Robertson, P. and Brachman, R. (2004) Estimating Liquefaction-Induced Lateral Dispalcements Using the Standard Penetration Test or Cone Penetration Test. Journal of Geotechnical And Geoenvironmental Engineering, 130, 861-871.