Mendell, W W <br/><br/>
The roles of humans and robots in exploring the solar system.  [electronic resource] 

 -  Acta astronautica  Jul 2004 
 - 149-55 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0094-5765 
<br/><br/><label>Standard No.: </label>10.1016/j.actaastro.2004.01.052  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Public Policy<br/>Robotics<br/>Solar System<br/>Space Flight--economics