@misc{indiciae219913599053, title = {Display/control requirements for VTOL aircraft}, author = {Hoffman, W. C. and Curry, R. E. and Kleinman, D. L. and Hollister, W. M. and Young, L. R.}, year = {1975}, url = {https://ntrs.nasa.gov/citations/19770004087}, note = {Source identifier: 19770004087} }