Fitchen, John. <br/><br/>
The construction of gothic cathedrals   : a study of medieval vault erection /  
by John Fitchen. 
 - Chicago [etc] :   The University of Chicago Press,   1981. 
 - 344 p. :   il., 3 h. de lám. ;   23 cm. 
<br/><br/><label>ISBN: </label>0-226-25203-5 
<br/><br/><label>LCCN: </label>1465 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arquitectura gótica.
<br/><br/><label>Universal Decimal Class. No.: </label>72.033.5