Dabrowski, P. S., Burdziakowski, P., Obuchovski, R., Paršeliūnas, E., Szulwic, J., Tysiąc, P., & Zienkiewicz, M. H. (2026). Point cloud spatial expansion method in HBIM applications – state of the art and current challenges. International Conference “Environmental Engineering”, 13, 1–8. https://doi.org/10.3846/enviro.2026.1504