"A Proposal for Development and Fabrication of Balloon-Borne Pressure Radio Altimeter Packages", 1970

"A Proposal for Development and Fabrication of Balloon-Borne Pressure Radio Altimeter Packages", 1970, - 04 TWERLE 1 Sub- 3 Box 1 Folder 1, Box: 1, Folder: 1. Tropical Wind, Energy Conversion, and Reference Level Experiment (TWERLE) Records, - 04-TWERLE. National Center for Atmospheric Research (NCAR) Archives. https://aspace.archives.ucar.edu/repositories/2/archival_objects/4549 Accessed December 16, 2025.