Calkins, Robert G. <br/><br/>
Medieval architecture in Western Europe   : from a.d. 300 to 1500 / 
Robert G.Calkins. 
 - New York ;   Oxford :   Oxford University Press,   1998. 
 - 342 p. :   il ;   26 cm +   1 cd-rom. 
<br/><br/><label>ISBN: </label>0-19-511241-5 
<br/><br/><label>LCCN: </label>38177 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arquitectura Medieval---Europa.
<br/><br/><label>Universal Decimal Class. No.: </label>72.033