1.
Kavanagh, B.F., Mastin, T.B.: Surveying: principles and applications. Pearson, Boston (2014).
2.
Waltham, T.: Foundations of engineering geology. Spon Press, Abingdon, UK (2009).
3.
Knappett, J., Craig, R.F.: Craig’s soil mechanics. Spon, London (2012).
4.
Minnick, R.: The surveying handbook: [Volume I]. Springer Science+Business Media, B.V., Dordrecht, Netherlands (1995).
5.
Smithson, P., Addison, K., Atkinson, K.: Fundamentals of the physical environment. Routledge, London (2008).
6.
Grotzinger, J.P., Jordan, T.H.: Understanding Earth. W.H. Freeman and Company, a Macmillan Higher Education Company, New York (2014).
7.
British geological survey (BGS).
8.
U.S. geological survey.
9.
Brinker, R.C., Minnick, R.: The surveying handbook. Van Nostrand Reinhold, New York (1987).