Method for Rapid Graphical Evaluation of Cooled or Uncooled Turbojet and Turboprop Engine or Component Performance (effects of Variable Specific Heat Included) (1955)
NASA Technical Reports Server (NTRS) · leaf 41
NACA TN 3335 40
NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.