Aufmann, Richard N., <br/><br/>
Mathematical excursions / 
Richard N. Aufmann, Joanne S. Lockwood, Richard D. Nation, Daniel K. Clegg 
 - Fourth edition 
 - 1 volume (various pagings) :  color illustrations ;  28 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9781305965584 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching