Calvert, N. G., <br/><br/>
Windpower principles :  Their application on the small scale / 
N. g. calvert ; illustrated by f. cummins 
 - 122 páginas 
<br/><br/><label>ISBN: </label>085264258x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Presión del viento
<br/><br/><label>LC Class. No.: </label>TK1541  / C34