The Possble Axes of Crystal-Symmetry

John William Evans
Lecturer on Petrology, Imperial College of Science and Technology; and Birkbeck College

Mineralogical Magazine; May 1919 v. 18; no. 86; p. 324-326; DOI: 10.1180/minmag.1919.018.86.03
© 1919, The Mineralogical Society
Mineralogical Society (www.minersoc.org)