Worringer, Wilhelm Robert  1881-1965 <br/><br/>
Clays Their Nature: Origin ang General Properties 

 - London :   Maclaren,   1968. 
 - xi, 128 p. :   il.; gráfs. ;   22 cm. 
<br/><br/> Incluye bibliografías 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ARCILLA