P. Szymczyk, M. Szymczyk, 
Classification of geological structure using ground penetrating radar and Laplace transform artificial neural networks, 
Neurocomputing, Volume 148, 19 January 2015, Pages 354-362, ISSN 0925-2312, 
http://dx.doi.org/10.1016/j.neucom.2014.06.025.
(http://www.sciencedirect.com/science/article/pii/S0925231214007681)
Keywords: Neural networks; Laplace transform; Laplace transform artificial neural network; LTANN; Ground penetrating radar; Classification of a geological structure