Elman, R et al <br/><br/>
Algebraic & geometric theory of quadratic forms 
R. Elman, et al 
 - Indian 
 - Providence  American Mathematical Society  2011 
 - viii  435 
 - AMS colloquium publications 56 .
<br/><br/><label>ISBN: </label>9780821868768 
<br/><br/><label>Dewey Class. No.: </label>512.5  / ELL