Keresztesy, L.O. <br/><br/>
Timber shells / 
L. O. Keresztesy. 
 - Buckinghamshire :  Timber Research and Development Association,  1970. 
 - 37 p. :  ill. ;  30 cm. +  pbk. 
 - Information bulletin ;  E/IB/15 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Timber.<br/>Roofing.
<br/><br/><label>Dewey Class. No.: </label>695.1