Sillimanite, kyanite, andalusite, and dumortierite /
by A.V. Petar.
APA Citation
Petar, A. Virginia., United States. Bureau of Mines. (1930). Sillimanite, kyanite, andalusite, and dumortierite. Washington, D.C.: United States, Department of Commerce, Bureau of Mines.
MLA Citation
Petar, Alice Virginia, 1902-, and United States. Bureau of Mines. Sillimanite, Kyanite, Andalusite, And Dumortierite. Washington, D.C.: United States, Department of Commerce, Bureau of Mines, 1930.
Warning: These citations may not always be complete (especially for serials).