@misc{indiciae3b843029eee1,
  title = {RESEARCH STUDY TO DETERMINE PROPULSION REQUIREMENTS AND SYSTEMS FOR SPACE MISSIONS VOL. II A FINAL REPORT, <COVERING PERIOD< FEB. 1 THRU OCT. 31, 1961},
  author = {E. H. Cavecche and C. E., Jr. Roth},
  year = {1961},
  url = {https://ntrs.nasa.gov/citations/19630037790},
  note = {Source identifier: 19630037790}
}