Boky, B.
Mining / by B. Boky and translated by John Scott - Moscow : Mir Publication, c1967. - 753 p. : ill. ; 22 cm.
Includes Index.
622 / BOM
Mining / by B. Boky and translated by John Scott - Moscow : Mir Publication, c1967. - 753 p. : ill. ; 22 cm.
Includes Index.
622 / BOM