@conference {209, title = {PHOTOGRAMMETRIC SURVEY with FISHEYE LENS for the CHARACTERIZATION of the la SASSA CAVE}, booktitle = {ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences}, year = {2019}, doi = {10.5194/isprs-archives-XLII-2-W9-25-2019}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85065400824\&doi=10.5194\%2fisprs-archives-XLII-2-W9-25-2019\&partnerID=40\&md5=335e04bffaebad667be2a67ecb809351}, author = {Alessandri, L. and Baiocchi, V. and Del Pizzo, S. and Rolfo, M.F. and Troisi, S.} }