Please follow https://ntrs.nasa.gov/search.jsp?Nm=123|Collection|NASA%20STI||17|Collection|NACA&Ntx=mode+matchallpartial&Ntk=All&N=0&Ntt=PRSEUS&utm_source=YouTube&utm_medium=PRSEUS_search&utm_campaign=Highlights.

Please follow https://ntrs.nasa.gov/search.jsp?Nm=123|Collection|NASA%20STI||17|Collection|NACA&Ntx=mode+matchallpartial&Ntk=All&N=0&Ntt=PRSEUS&utm_source=YouTube&utm_medium=PRSEUS_search&utm_campaign=Highlights.