By the Gas Dynamics Laboratory of Northwestern University 

Published by Northwestern University Press, 1968 

"This volume constitutes the Proceedings of the 7th Biennial Gas Dynamics Symposium, which was held in Evanston on August 23-25 in 1967.. Concerned with energy and its conversions and uses, the symposium covered not only direct processes but also the interrelationships among the technological and socioeconomic aspects of this broad field."