Lawden D F <br/><br/>
Optimal trajectories for space navigation 
Lawden D F 
 -  1963 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>25503 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B978:72, K3