Practice of mineral dressing
Michell, F. B.
Practice of mineral dressing - - London Electrical press, 1950 - 391 p. 22 cm - BSI 476 : part - 6 : 1989 .
2
Ore-dressing
622.7 Mic
Practice of mineral dressing - - London Electrical press, 1950 - 391 p. 22 cm - BSI 476 : part - 6 : 1989 .
2
Ore-dressing
622.7 Mic