F. Matonti

THE ASTRONOMICAL SOCIETY OF THE PACIFIC.

Ulrich Hopp, E. Carretta, Richard P. Boyle, 1916, Science.

A Combination of Space and Terrestrial Geodetic Techniques to Monitor Land Subsidence: Case Study, the Southeastern Po Plain, Italy

Fabio Rocca, Susanna Zerbini, Tonie van Dam, 2007 .