@misc{indiciae84f9c01c2041,
  title = {An Engineering Approach to the Variable Fluid Property Problem in Free Convection},
  author = {Gregg, J. L. and Sparrow, E. M.},
  year = {1956},
  url = {https://ntrs.nasa.gov/citations/19630042104},
  note = {Source identifier: 19630042104}
}