Crilly, Tony <br/><br/>
50 maths ideas you really need to know / 
Tony Crilly. 
 - London :  Quercus,  c2007. 
 - 208 p. ; 21 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9781848667051 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Popular works<br/>Mathematics