Zhekov , Zhivko. 2023. “REMOVAL OF SIDE ILLUMINATION IN THE IMAGE PLANE IN TWO-MIRROR PANCRATYC SYSTEM FOR COLLIMATOR: REMOVAL OF SIDE ILLUMINATION IN THE IMAGE PLANE IN TWO-MIRROR PANCRATYC SYSTEM FOR COLLIMATOR”. JOURNAL SCIENTIFIC AND APPLIED RESEARCH 20 (1):5-10. https://doi.org/10.46687/jsar.v20i1.298.