Stefan Kudelski, Inventor of the Nagra Professional Recorder, Dies at 83 - The New York Times

Nagra Reel to Reel Tape Recorder Manufacturers - The Kudelski company - Museum of Magnetic Sound Recording

Stefan Kudelski, Inventor of the Nagra Professional Recorder, Dies at 83 - The New York Times

Nagra Reel to Reel Tape Recorder Manufacturers - The Kudelski company - Museum of Magnetic Sound Recording

Reel to Reel 2006 © AudioTape Filing System - Essay 08

Nagra Reel to Reel Tape Recorder Manufacturers - The Kudelski company - Museum of Magnetic Sound Recording

NAGRA Kudelski Group history

Stefan Kudelski: Inventor of the revolutionary Nagra tape recorder, The Independent

Nagra Reel to Reel Tape Recorder Manufacturers - The Kudelski company - Museum of Magnetic Sound Recording

Smithsonian Collections Blog: The Sweetest Sound