Redshift : college edition Astronomy workbook / 
Walker, Bill O. 
 - 2nd ed. 
 - Australia:  Thomson Brooks/Cole,  c2005 
 - vi,374p.:  ill.;  24cm. 
<br/><br/><label>ISBN: </label>9780532 490317 
<br/><br/><label>Subjects--Topical Terms: </label>--mathematics
<br/><br/><label>Dewey Class. No.: </label>520 WAL