1. Permanent changes in the optical orientation of feldspars exposed to heat;Barth;Norsk Geol Tidssk.,1931
2. X-ray measurement of long range order in β-brass;Chipman;J. Appl. Phys.,1950
3. Zur Frage der Entmischbarkeit der Kali-Natron-feldspäte und über das Verhalten des Mikroklins bei hohen Temperaturen;Dittler;Tsch. Min. Petr. Mitt.,1925
4. The symmetry change in the high-temperature alkali-feldspar series;Donnay;Amer. J. Sci.,1952
5. A “simplexity principle” and its relation to “ease” of crystallization;Goldsmith;J. Geol.,1953