ERENOGLU, R. CUNEYT, MEHMET ALI YUCEL, ATINC PIRTI, e D. UGUR SANLI. 2012. “ON THE PERFORMANCE OF GNSS LEVELLING OVER STEEP SLOPES”. Boletim De Ciências Geodésicas 18 (4). https://doi.org/10.5380/bcg.v18i4.30265.