Describir: Report of the seminar on... Copenhagen Denmark, 13 August-1 September 1967

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