1. S.F. Said, Test and design parameters of elastic stiffness and permanent deformation, VTI särtryck, vol. 242, Swedish National Road and Transport Research Institute (VTI), Lecture at the Course on Bituminous Pavements: Materials, Design and Evaluation at Uleåborg, Finland, 25–28 April 1995.
2. M.F. Aouad, K.H. Stokoe II, J.M. Roesset, Evaluation of flexible pavements and subgrades using the spectral-analysis-of-surface-waves (SASW) method, Research Report 1175-7F, Research Project 2/3-18-88/1-1175 Development of dynamic analysis techniques for falling weight deflectometer data, Center for Transportation Research, The University of Texas at Austin, 1993.
3. Backcalculation of viscoelastic and nonlinear flexible pavement layer properties from falling weight deflections;Varma;Int. J. Pavement Eng.,2016
4. Structural field testing of flexible pavement layers with seismic methods for quality control;Nazarian;J. Transp. Res. Board,1999
5. Fast simulated annealing inversion of surface waves on pavements using phase velocity spectra;Ryden;Geophysics,2006