@misc{indiciae76165e01ee60,
  title = {Operationally efficient propulsion system study (OEPSS) data book: Space Transfer Propulsion Operational Efficiency Study Task of OEPSS - Volume 6},
  author = {Harmon, Timothy J.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19980041376},
  note = {Source identifier: 19980041376}
}