Mayr, Otto <br/><br/>
Feedback mechanisms  Otto Mayr. 

 - Washington  Smithsonian Institution Press  1971 
 - viii, 134p., illus. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Feedback Control systems Automation.
<br/><br/><label>Dewey Class. No.: </label>621  / M49F