Genève: Ecart, 1976 (reprint). No. 54 of 100 copies (presumably the reprint). Five stamped and two blank cards in a paper band bearing the title and publication information. 10 x 6 cm. The five cards are stamped with the title and/or a double box with or without an X. Copy only at Yale. Pompidou lists the same publication, but 1990, in an edition of 50. Géza Perneczky, Network Atlas (2003), describes a first edition of 50 in 1975, plus this one.
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