erc: who: Blakey, John W. what: The use of perforated inlets for efficient supersonic diffusion when: 19560900 where: https://digital.library.unt.edu/ark:/67531/metadc55976/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://digital.library.unt.edu/ark:/67531/