Recycling of neodymium iron boron magnet scrap / 
by J.W. Lyman and G.R. Palmer. 
 - Avondale, Md. :  U.S. Dept. of the Interior, Bureau of Mines,  1993. 
 - 28 p. :  ill. 
 - Report of investigations ;  9481 .
 - Report of investigations (United States. Bureau of Mines) ;  9481 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mines and mineral resources.<br/>Neodymium--Metallurgy.<br/>Oxidation.<br/>Sulphuric acid.<br/>Scrap metals--Recycling.