00759nas 2200253 450 00000206720080711103425.00004-620520001106b19551973km-y0itay50------bagerATahaz---0uu-Astronautica actaoffizielles Organ der Internationalen Astronautischen FëderationInternational Astronautical FederationWienSpringer-Verlag1955-1973.fascicoliTrimestrale001000002066AstronauticaInternational Astronautical FederationITUNIPARTHENOPERICAUNIMARC0000020671955-1973PISTAstronautica acta800100UNIPARTHENOPE