Anderson, Poul <br/><br/>
The day of their return 
Poul Anderson. 
 - Garden City, N.Y.  N. Doubleday  [c1973] 
 - 182 p. 
<br/><br/><label>LCCN: </label>74166455 //r94 
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Science fiction
<br/><br/><label>LC Class. No.: </label>PZ4.A549 1953 
<br/><br/><label>Dewey Class. No.: </label>813/.5/4