Ballard R D <br/><br/>
Photographic atlas of the mid-atalantic ridge rift valley 
Ballard R D; Moore J G 
 - New York       Springer-verlag          1977 
 - xi,114p.  cm. 
<br/><br/> Bibliography 113p 
<br/><br/><label>Standard No.: </label>23627 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>U25.1.rAf, L7