Beryllium and beryl /
by A.V. Petar.

APA Citation

Petar, A. Virginia., United States. Bureau of Mines. (1929). Beryllium and beryl. Washington, D.C.: United States, Department of Commerce, Bureau of Mines.

MLA Citation

Petar, Alice Virginia, 1902-, and United States. Bureau of Mines. Beryllium And Beryl. Washington, D.C.: United States, Department of Commerce, Bureau of Mines, 1929.

Warning: These citations may not always be complete (especially for serials).