Energlyn, Lord <br/><br/>
Through the crust of the earth / 
Lord Energlyn 
 - London :  MacDonald,  1973 
 - 128 p. :  ill. (col.), map, port. ;  31 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0356046044 :  PND 2.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology
<br/><br/><label>Dewey Class. No.: </label>551.13