Pasquali, E <br/><br/>
Alpha envelope detection and distortion. A polyphase rectifier circuit.  [electronic resource] 

 -  Electroencephalography and clinical neurophysiology  Jan 1969 
 - 106-9 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0013-4694 
<br/><br/><label>Standard No.: </label>10.1016/0013-4694(69)90041-8  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electroencephalography--instrumentation<br/>Filtration