Describir: AIC color 89 proceeding of the 6th Session of Association Internationale de la Colour, Buenos Aires, Argentina :

  ______   _    _     ____     _    _     _____    _    _             
 /_____// | || | ||  |  _ \\  | || | ||  / ____|| | || | ||   ____    
 `____ `  | || | ||  | |_| || | || | || / //---`' | || | ||  |    \\  
 /___//   | \\_/ ||  | .  //  | \\_/ || \ \\___   | \\_/ ||  | [] ||  
 `__ `     \____//   |_|\_\\   \____//   \_____||  \____//   |  __//  
 /_//       `---`    `-` --`    `---`     `----`    `---`    |_|`-`   
 `-`                                                         `-`      
   ___    
  / _ \\  
 | / \ || 
 | \_/ || 
  \___//  
  `---`