TY - JOUR AU - Dariusz Pojda BT - Theoretical and Applied Informatics LA - eng M1 - 3 PY - 2010 EP - 177–186 T2 - Theoretical and Applied Informatics TI - Calculating the position of the observer in 3D using 2D images for the interactive presentation of virtual objects VL - 22 SN - 1896-5334 ER -