http://resources.arcgis.com/en/help/main/10.2/index.html#/What_is_a_LAS_dataset/015w00000057000000/
http://cnr.usu.edu/htm/facstaff/belmont-hydrology-and-fine-sediment-lab/belmont-lab-resources
http://grasswiki.osgeo.org/wiki/LIDAR
http://grasswiki.osgeo.org/wiki/LIDAR#Micro-tutorial_for_LIDAR_data_analysis
http://ssrebelious.blogspot.com/2013/08/classification-of-hyper-spectral-and.html
http://ssrebelious.blogspot.ru/2013/03/dsm-to-dem-conversion.html
http://courses.ncsu.edu/mea582/common/GIS_anal_grass/GIS_Anal_grgeomorph1_2014.html
http://rapidlasso.com/2014/04/08/lidar-downloads-via-wms/
https://code.google.com/p/fullanalyze/
http://forsys.cfr.washington.edu/fusion/fusionlatest.html