Sheffield <br/><br/>
Earth Watch  A survey of the world from space 
Charles Sheffield 
 - New York, USA  macmillan  1981 
 - 160p.  ill. (some color)  32 cm 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0283987375 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth--Photographs from space