Зведений каталог бібліотек Львова
681.142.2(063)S423 SDL '87: State of the art and future trends [Текст] : proceed. of the 3rd SDL Forum, the Hague, the Netherlands, apr. 1987 / ed. by R. Saracco, P.A.J. Tilanus. — Amsterdam [etc.] : NHPC, 1987. — XI, 463 p. ISBN 0 444 70286 5
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