Blake,  Ernest G. <br/><br/>
Roof coverings :  their manufacture and application, being a description of the origin, nature, and the method of fixing the various materials and substances that are employed / 
Ernest G Blake. 
 - London :   Chapman & Hall,   1945. 
 - xi, 212 p. :  ill. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Index Terms: </label>მშენებლობა შენობების გადახურვა სახურავები 
<br/><br/><label>Universal Decimal Class. No.: </label>69