1. A system of monitoring and warning in a complex landslide in northeastern Italy;Angeli;Landslides News,1995
2. A critical review of landslide monitoring experiences;Angeli;Engineering Geology,2000
3. The measurements of spatial deformation by geodetic methods;Ashkenazi,1973
4. Deformation survey on landslides using terrestrial measurements and space techniques;Barbarella,1998
5. Observations and adjustment of geodetic survey network for measurement of landslide movement;Bromhead,1988