Torthaí cuardaigh - Bullock, Richard L

  • 1 - 2 toradh as 2 á dtaispeáint
Beachtaigh na torthaí
  1. 1

    Underground mining methods: engineering fundamentals and international case studies de réir Hustrulid, William A, Bullock, Richard L

    Foilsithe / Cruthaithe 2001
    LEABHAR
  2. 2

    Techniques in underground mining: selections from underground mining methods handbook de réir Gertsch, Richard E, Bullock, Richard L

    Foilsithe / Cruthaithe 1998
    LEABHAR