International Precious Metals Institute, Minerals, Metals and Materials Society. Copper, Nickel, Cobalt, and Precious Metals Committee, & Minerals, Metals and Materials Society. Meeting. (1989). Precious metals '89: Proceedings of an international symposium sponsored by the Copper, Nickel, Cobalt, and Precious Metals Committee of the Minerals, Metals & Materials Society and the International Precious Metals Institute held at the TMS Annual Meeting, Las Vegas, Nevada, February 27-March 2, 1989. TMS.
Παραπομπή σε μορφή Chicago (17η εκδ.)International Precious Metals Institute, Metals and Materials Society. Copper Minerals, και Metals and Materials Society. Meeting Minerals. Precious Metals '89: Proceedings of an International Symposium Sponsored by the Copper, Nickel, Cobalt, and Precious Metals Committee of the Minerals, Metals & Materials Society and the International Precious Metals Institute Held at the TMS Annual Meeting, Las Vegas, Nevada, February 27-March 2, 1989. Warrendale, Pa: TMS, 1989.
Παραπομπή σε μορφή MLA (9th εκδ.)International Precious Metals Institute, et al. Precious Metals '89: Proceedings of an International Symposium Sponsored by the Copper, Nickel, Cobalt, and Precious Metals Committee of the Minerals, Metals & Materials Society and the International Precious Metals Institute Held at the TMS Annual Meeting, Las Vegas, Nevada, February 27-March 2, 1989. TMS, 1989.