Gold advances in precious metals recovery

Ngā taipitopito rārangi puna kōrero
Ētahi atu kaituhi:	Arbiter, Nathaniel, Han, Kenneth N.
Hōputu:	Pukapuka
Reo:	Ingarihi
I whakaputaina:	New York Gordon and Breach c1990.
Ngā marau:	Gold > Metallurgy.