Cox, C.J. <br/><br/>
Understanding mathematics 4 / 
by C.J. Cox, D.B Bell. 
 - 2nd ed. 
 - Cambridge :  Cambridge University Press,  1992. 
 - 278 p. : ;  25 cm. 
<br/><br/><label>ISBN: </label>0719550300 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.