Ridley, B. K. <br/><br/>
Time, space and things / 
B. K. Ridley 
 - New York :  Cambridge University press,  2000       
 - x, 191 p. 
<br/><br/><label>ISBN: </label>0521484863 
<br/><br/><label>LC Class. No.: </label>QC 24.5 R545t 1994