Developing thinking in geometry / 
edited by Sue Johnston-Wilder, John Mason. 
 - London ;  Thousand Oaks, CA :  Open University in association with Paul Chapman Pub., /  2005. 
 - xii, 270 p. :  ill. ;  25 cm. +  1 CD-ROM (4 3/4 in.) 
<br/><br/>Includes bibliographical references (p. [258]-260) and index. 
<br/><br/><label>ISBN: </label>1412911680 1412911699 (pbk.) 9781412911689  RM389.40 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry--Study and teaching.<br/>Symmetry (Mathematics)--Study and teaching.
<br/><br/><label>LC Class. No.: </label>QA461  / .D48 2005 
<br/><br/><label>Dewey Class. No.: </label>516