RTP
From Translate Science
- Great Britain Ministry of Aircraft Production Research Technical Publications / R.T.P. Translation
- http://www.worldcat.org/title/rtp-translation/oclc/14404315
- https://lccn.loc.gov/50032741
- http://explore.bl.uk/BLVU1:LSCOP-ALL:BLL01012099938
- http://www.worldcat.org/title/rtp-translations/oclc/978090474