| 其他書名 | Transcript of Address Given by Ronald L. Prain at an Orientation-dinner of the American Metal Company, Limited. Delivered on January 28th, 1953, at the Mining Club, New York |
| 出版 | Portsoken Press, 1953 |
| URL | http://books.google.com.hk/books?id=bxvSHAAACAAJ&hl=&source=gbs_api |