Relly Victoria Petrescu and Florian Ion Petrescu. The Aviation History (New Aircraft I). The Aviation History (New Aircraft I). Retrieved: 25 March 2018. Note: The reference to successful tethered test appears on pg 19.
Lindenbaum, Bernard and William Blake. The VZ-9 Avrocar. THE VZ-9 AVROCARArchived September 27, 2006, at the Wayback Machine. Retrieved: 17 February 2007. Note: Much of the discussion of the control systems and stability problems are taken from this source.
Lindenbaum, Bernard and William Blake. The VZ-9 Avrocar. THE VZ-9 AVROCARArchived September 27, 2006, at the Wayback Machine. Retrieved: 17 February 2007. Note: Much of the discussion of the control systems and stability problems are taken from this source.
