5. Bismuth [metal]; prepared in Division of Nonferrous Metals. Bookmark SuDoc number: I 28.103:(date)
6. Bismuth [metal]; prepared in Division of Nonferrous Metals. Bookmark SuDoc number: I 28.103:(date)
7. Bismuth [metal]; prepared in Division of Nonferrous metals. Bookmark SuDoc number: I 28.103:(date)