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

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