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

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