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Editore: London: United Kingdom Seminar on Communication-Satellite Earth Station Planning and Operation Section B Paper No. 1, 1968
Da: Richard M. Ford Ltd, London, Regno Unito
20pp. (11+2+3+1+2+1), foolscap 8vo, with a further four pages of figures. Stapled, with front cover printed in black, red and blue, carrying stylised design of satellite design. Cover stamped with date 4 June 1968. Good, on lightly-aged paper. Scarce: no copies on OCLC WorldCat or COPAC. From the Pat Hawker archive.