Kramer,H.J. <br/><br/>
Observation of the earth and its environment 

 - 2nd ed. 
 - Germany  Springer-verlag  1994 
 - xxi,580p. 
<br/><br/><label>ISBN: </label>354057587 
<br/><br/><label>Dewey Class. No.: </label>551.1  / K95O