Nesbitt, Brian.  <br/><br/>
Handbook of Valves and Actuators 
Brian Nesbitt.  
 - Amsterdam :  Elsevier,   c2007. 
 - xxiv, 546 p.:  ill.; 
<br/><br/><label>ISBN: </label>9781856174947 
<br/><br/><label>Dewey Class. No.: </label>621.84  / NES/HAN