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								        									REFERENCES
<br />  		Robertson, P.K. and Campanella, R.G. and Wightman, A., 1983 "SPT-CPT Correlations",
<br />     			Journal of the Geotechnical Division, ASCE, Vol. 109, No. GTI 1, Nov., pp. 1449-
<br />     			1460.
<br />  		Robertson, P.K. and Campanella, R.G.,  1985 "Evaluation of Liquefaction Potential of
<br />     			Sands Using the CPT", Journal of Geotechnical Division, ASCE, Vol. III, No. 3,
<br />     			Mar., pp. 384-407.
<br />  		Robertson,  P.K.  and  Campanella,  R.G.,  Gillespie,  D.  and  Grieg,  J.,  1986,  "Use  of
<br />     			Piezometer Cone Data", Proceedings of In Situ 86, ASCE Specialty Conference,
<br />     			Blacksburg, Virginia.
<br />  		Robertson, P.K. and Campanella, R.G.,  1990, "Guidelines for Use, Interpretation and
<br />    			Application of the CPT and CPTU", UBC, Soil Mechanics Series No. 105, Civil Eng.
<br />     			Dept., Vancouver, B.C., V6T 1W5, Canada; also available from Hogentogler and
<br />    			Co., P.O. Box 385, Gaithersburg, MD 20877, 3rd Edition, 197 pp.
<br />  		Robertson, P.K., Campanella, R.G., Gillespie, D. and Rice, A., 1986, "Seismic CPT to
<br />    			Measure In  Situ Shear Wave Velocity",  Journal  of Geotechnical  Engineering,
<br />    			ASCE, Vol. 112, No. 8, pp. 791-803.
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