"A collection of technical papers drawn from the AIAA 4th Thermophysics Conference, June 16-18, 1969, and from the AIAA 7th Aerospace Sciences Meeting...
"A collection of technical papers drawn from the AIAA 4th Thermophysics Conference, June 16-18, 1969, and from the AIAA 7th Aerospace Sciences Meeting, January 20-22, 1969."