Croft, Hallard T. <br/><br/>
Unsolved problems in geometry   with 66 figures 
<label>/ by </label> Croft, Hallard T. 
<label>;</label> Falconer, Kenneth J. <label>;</label> Guy, Richard K. 
 - New York  Springer-Verlag  1991 
 - xv, 198p.  ill.  24 cm. 
<br/><br/><label>ISBN: </label>0387975063 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry
<br/><br/><label>Dewey Class. No.: </label>516  / CRO