Sawicki, P., 2012, Unmanned aerial vehicles in photogrammetry and remote sensing – state of the art and trends , Archiwum Fotogrametrii, Kartografii i Teledetekcji 1, 365-376 @Article{2012ArFKT..23S..365, author = {Sawicki, P.}, title = {{Unmanned aerial vehicles in photogrammetry and remote sensing – state of the art and trends }}, journal = {Archives of Photogrammetry, Cartography and Remote Sensing}, year = {2012}, volume = {1}, number = {1}, pages = {365--376}, }