Transactions of the Institute of Mining and Metallurgy / 
The Institute of Mining and Metallurgy 
 - London :  The Institute of Mining and Metallurgy,  ©1969 
 - 71 ,A 124, : B 176, C 246 pages :  illustrations ;  29 cm 
 - Annual 
 - Vol. 78 1969 . 
<br/><br/><label>LCCN: </label>13025158  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineral industries<br/>Mines and mineral resources--London<br/>Mineral industries.<br/>Mines and mineral resources.
<br/><br/><label>LC Class. No.: </label>TN1  / TRA