References
- Bonenkamp, J. G. and Hondius, W. Boldingh (1959) Quality and choice of Potter-Bucky grids. I. A new method for the unambiguous determination of the quality of a grid. Acta radiol., 51, p. 479.
- Hondius, W. Boldingh (1961) Quality and choice of Potter Bucky grids. IV. Focus-grid distance limits. V. The contrast improvement factor. Acta radiol., 55, p. 225.
- Hondius, W. Boldingh (1960) The rational choice of an X-ray grid. Medicamundi, 6, p. 115.