Silver-exploration, mining and treatment : papers presented at the international conference 'Silver-Exploration, Mining and Treatment' held in Mexico City from 21 to 24 November, 1988 /
Silver-Exploration, Mining and Treatment(1988 :Mexico City)
Institution of Mining and Metallurgy (Great Britain)
Cámara Minera de México.
Silver Institute.
London : Institution of Mining and Metallurgy,
[1988].