Feasibility Design Study for Scale Model of ZPG-X Airship

@inproceedings{Lancaster1978FeasibilityDS,
  title={Feasibility Design Study for Scale Model of ZPG-X Airship},
  author={Jon W. Lancaster},
  year={1978}
}
Abstract : This report documents a Feasibility Design Study of a scale model of the ZPG-X airship which would demonstrate the VTOL and hover capability of this vehicle concept.