Ratcliff, Arnold G C (editor) & Marrs, D M books & textbook
Transactions of The Institution of Mining Engineers, Volume 113 1953-1954
Ratcliff, Arnold G C (editor) & Marrs, D M
Institution of Mining Engineers /1954T Hardcover
Transactions of The Institution of Mining Engineers, Volume 112 1952-1953
Ratcliff, Arnold G C (editor) & Marrs, D M
Institution of Mining Engineers /1953T Hardcover
Transactions of The Institution of Mining Engineers, Volume 111 1951-1952
Ratcliff, Arnold G C (editor) & Marrs, D M
Institution of Mining Engineers /1952T Hardcover
