Pegmatity. Tom 1. Granitnye, pegmatity. [Pegmatites. V. 1. Granites, pegmatites.] Moscow and Leningrad

Fersman, A.E., 1940, Pegmatity. Tom 1. Granitnye, pegmatity. [Pegmatites. V. 1. Granites, pegmatites.] Moscow and Leningrad: Akademii Nauk USSR, 712 p.