Burton, William "Real-Time Analysis - Sound Design" Car Audio & Electronics May 1997: 122-126.
https://live.staticflickr.com/65535/...4eabb130_h.jpg
https://live.staticflickr.com/65535/...3e6cda24_h.jpg
https://live.staticflickr.com/65535/...d1104530_h.jpg