@article{TUW-120170, author = {Roch, Karl-Heinz and Chwatal, Werner and Br{\"u}ckl, Ewald}, title = {Potentials of monitoring rock fall hazards by GPR: considering as example the results of Salzburg}, journal = {Landslides}, year = {2006}, volume = {Volume 3}, number = {Number 2}, pages = {87--94}, url = {http://publik.tuwien.ac.at/files/pub-geo_1162.pdf} }