@misc{indiciae7bf73aa6ff2e,
  title = {Analytical and experimental investigations concerning the dual mode hydrazine system, task 4 Summary report, 1 Aug. 1967 - 1 Feb. 1968},
  author = {Butcher, W. W. and Jones, W. H. and Lodwig, R. M.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680009891},
  note = {Source identifier: 19680009891}
}