Tecnologie GIS e GPS a servizio del survey
This is an open-access work distributed under the terms of the Creative Commons Attribution License (CC BY-NC-SA). The use, distribution or reproduction is permitted, provided that 1) the original author(s) and the copyright owner(s) are credited, 2) the original publication is cited, in accordance with accepted academic practice, and that, 3) if you remix, adapt, or build upon the material, you license the modified material under identical terms. You may not use the material for commercial purposes. No use, distribution or reproduction is permitted which does not comply with these terms.