《Procedings Twelfth Congress of the Council of Mining and Metallurgical Institutions》V. 1～2 H.W. Glen 1982 第十二届英联邦采矿与冶金会议于1982年5月在南非约翰内斯堡举行,本书为会议录,全书分两卷,主要内容如下: 南非采矿工业的发展; 黄金市场; 南非镍的述评; 赞比亚铜带矿体的主体变化; 南非竖井掘进实践; “Procedings Twelfth Congress of the Council of Mining and Metallurgical Institutions” V.1-2 HW Glen 1982 The Twelfth Commonwealth Mining and Metallurgical Conference was held in Johannesburg, South Africa, in May 1982, the book is divided into two chapters: Volume, the main contents are as follows: South Africa mining industry development; gold market; review of nickel in South Africa; Zambia copper body changes in the main body; South Africa shaft drilling practice;