1. Systematic and random errors;Bevington,1969
2. The potential of computer control to improve dose distribution in radiation therapy, computer applications in radiation therapy;Bjarngard,1976
3. Accuracy in patient setup and its consequence in dosimetry;Kartha;Med. Phys,1975
4. Accuracy in radiotherapy treatment;Kartha;Int. J. Radiat. Oncol. Biol. Phys,1977
5. Automation of a linear accelerator computers in radiation therapy;Lofroth,1972