The second part discusses both traditional and novel methods of solving the ``phase'' problem, the principal difficulty in x-ray structure determination.
This is the basis of the existence of aperiodicity manifested in the liquid crystals and also quasi-crystals also discussed in Crystallography and the World of Symmetry.
If questions remain, you also have the opportunity to ask the author on the book's website. This book invites you on a systematic tour through the fascinating world of crystals and their symmetries.
This book describes the new developments in the realm of powder diffraction which make it possible for scientists to obtain such information even from polycrystalline materials.
From tilings to quasicrystal structures and from surfaces to the n-dimensional approach, this book gives a full, self-contained in-depth description of the crystallography of quasicrystals.