Ferguson, Dale C. <br/><br/>
Introductory astronomy exercises / 
Dale C. Ferguson. 
 - 2nd ed. 
 - Pacific Grove, CA :  Brooks/Cole,  c2001. 
 - ix, 326 p. :  ill. ;  28 cm. 
<br/><br/><label>ISBN: </label>053437977X 9780534379773 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy--Laboratory manuals.<br/>Astronomy--Problems, exercises, etc.