GAY, CHARLES MERRICK <br/><br/>
MECHANICAL AND ELECTRICAL EQUIPMENT FOR BUILDINGS 

 - 2ND ED. 
 - Estados Unidos  JHON WILEY & SONS, INC  1950 NEW YORK 
 - 453 
<br/><br/><label>LCCN: </label>18800 
<br/><br/><label>Dewey Class. No.: </label>621.31042