International
Tables for Crystallography Volume C Mathematical, physical and chemical tables Edited by E. Prince © International Union of Crystallography 2006 
International Tables for Crystallography (2006). Vol. C, ch. 2.6, p. 91
Figure 2.6.1.1
O. Glatter^{a}


Figure 2.6.1.1
The height of the p(r) function for a certain value of r is proportional to the number of lines with a length between r and r + dr within the particle. 