Rock N M S <br/><br/>
Lamprophyres 
Rock N M S 
 - London  Blackie           1990 
 - viii,285p.  cm. 
<br/><br/><label>Standard No.: </label>49268 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Igneous rocks<br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H21513, N0