What has the author Allison Butts written?

Allison Butts has written:

'Metallurgical problems' -- subject(s): Metallurgy, METALURGIA FISICA, PROBLEMAS, EJERCICiOS, QUIMICA METALURGICA, TERMODINAMICA

'Silver' -- subject(s): Silver

'Silver--economics, metallurgy, and use' -- subject(s): Silver