1. High altitude and satellite rockets : symposium held at Cranfield, England, 18th-20th July 1957 Author/Creator: Symposium on High Altitude and Satellite Rockets Cranfield, England) 1957 : (1st Publication/Creation: London : Royal Aeronautical Society, British Interplanetary Society, 1958 Resource Type: Book Access & Availability: Loading
2. On the motion of satellites with critical inclination Publication/Creation: Washington : Smithsonian Institution, 1961 Resource Type: Book Access & Availability: Loading
3. Orbital data and preliminary analyses of Satellites 1957 Alpha and 1957 Beta Author/Creator: Whipple, Fred L. 1906-2004. (Fred Lawrence) Publication/Creation: Washington : Smithsonian Institution, 1958 Resource Type: Book Access & Availability: Loading