Smith, Arthur <br/><br/>
Mars :  the next step / 
Arthur E. Smith. 
 - Bristol, England :  A. Hilger,  c1989. 
 - xi, 151 p. :  ill. (some col.) 
<br/><br/><label>ISBN: </label>0852740263 
<br/><br/><label>LCCN: </label>90035075     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronautics in astronomy.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Mars (Planet)--Exploration.