Boky, B.
Mining / B. Boky ; translated by John Scott. - Moscow : Mir Publishers, c 1967. - 753 p. : ill. ; 23 cm.
Includes index.
311 311
Mining--Explosive.
622 / B637m
Mining / B. Boky ; translated by John Scott. - Moscow : Mir Publishers, c 1967. - 753 p. : ill. ; 23 cm.
Includes index.
311 311
Mining--Explosive.
622 / B637m