Sheffield, Charles <br/><br/>
Space careers 
Charles Sheffield and Carol Rosin. 
 - New York  Harper and Row  c1984. 
 - 240 p.; 23 cm. 
<br/><br/><label>ISBN: </label>688032567 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronautics - Vocational Guidance.
<br/><br/><label>Dewey Class. No.: </label>629.402319  / S36S