@misc{indiciae66305ac172b6,
  title = {User's manual for a digital computer program for computing the vibration characteristics of ring-stiffened orthotropic shells of revolution},
  author = {Adelman, H. M. and Catherines, D. S. and Steeves, E. C. and Walton, W. C., Jr.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19710003618},
  note = {Source identifier: 19710003618}
}