Lyons, Jerry L. <br/><br/>
Lyons' encyclopedia of valves  
Jerry L. Lyons and Carl L. Askland 
 - New York:  Van Nostrand Reinhold Company,  1975. 
 - ix, 290p. 
<br/><br/> HB 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>0442249616 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Valves-Handbooks, manuals,etc
<br/><br/><label>Dewey Class. No.: </label>621.84  / LYL