COSPAR transactions. Contains the following volumes:
- N°5: Reports of national institutions on space research activities presented at the tenth plenary meeting of COSPAR, July 1967, London, England
- N°6: Bibliographies on space research activities of national institutions prepared for the tenth plenary meeting of COSPAR, July 1967, London, England
- N°7: Reduction of satellite photographic plates. Proceedings of a colloquium held in Prague, 22 – 27 Aprile 1968
- N°8: Part I: COSPAR guide to rocket and satellite information and data exchange. Part II: An international mechanism for rapid communication of satellite orbital data. December 1972
- N°9: COSPAR world list of satellite tracking stations. March 1974

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