[1]
Krikštaponis, B., Tumelienė, E. and Rekus, D. 2012. Improvement of methodology of precise levelling with digital levels Wild NA3003. Geodesy and Cartography. 31, 3 (Aug. 2012), 97-102. DOI:https://doi.org/10.3846/13921541.2005.9636673.