with systematic instructional activities, by the owner of the
right of reproduction or with his authorization, at a price
reasonably related to that normally charged in the State for
comparable works, any licence granted under this Article shall
terminate if such edition is in the same language and is
substantially the same in content as the edition published
under the licence. Any copies already made before the licence
is terminated may continue to be distributed until their stock is
exhausted.

(d) No licence shall be granted when the author has
withdrawn from circulation all copies of the edition in
question.

3. (a) Subject to sub-paragraph (b), the literary, scientific or
artistic works to which this Article applies shall be limited to
works published in printed or analogous forms of reproduction.

(b) The provisions of this Article shall also apply to
reproduction in audio-visual form of lawfully made audio-
visual fixations including any protected works incorporated
therein and to the translation of any incorporated text into a
language in general use in the State with power to grant the
licence; always provided that the audio-visual fixations in
question were prepared and published for the sole purpose of
being used in connexion with systematic instructional activities.

ARTICLE VI

"Publication", as used in this Convention, means the