Truesdell, Richard "Simply Evolutionary" Mobile Electronics April 1999: 26-31.
https://live.staticflickr.com/65535/...448525aa_h.jpg
https://live.staticflickr.com/65535/...6cec3d7b_h.jpg
https://live.staticflickr.com/65535/...fdb7ec37_h.jpg
https://live.staticflickr.com/65535/...89d5427b_h.jpg
https://live.staticflickr.com/65535/...9ed16930_h.jpg
https://live.staticflickr.com/65535/...12eb8afd_h.jpg