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 _    _     ______   _    _    _    _    __   __  
| || | ||  /_   _// | \  / || | || | ||  \ \\/ // 
| || | ||   -| ||-  |  \/  || | || | ||   \   //  
| \\_/ ||   _| ||_  | .  . || | \\_/ ||   / . \\  
 \____//   /_____// |_|\/|_||  \____//   /_//\_\\ 
  `---`    `-----`  `-`  `-`    `---`    `-`  --`

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Text this: The composition of matter : symposium honouring Johannes Geiss on the occasion of his 80th birthday