Extraction Metallurgy '89 : papers presented at the Extraction Metallurgy '89 symposium, organised by the Institution of Mining and Metallurgy and held in London from 10 to 13 July, 1989.
Extraction Metallurgy '89.Symposium(1989 :London, England)
Institution of Mining and Metallurgy (Great Britain)
London : The Institution,
c1989.