Spielmann Percy Edwin <br/><br/>
Genesis of petroleum 
Spielmann Percy Edwin 
 - London  Ernest Benn         1923 
 - 72p.  cm. 
<br/><br/><label>Standard No.: </label>32730 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>TECHNOLOGY
<br/><br/><label>Dewey Class. No.: </label>F555, F3