@misc{indiciaebc7bd8d2d6c6,
  title = {Internal friction and velocity measurements},
  author = {Tittmann, B. R. and Ahlberg, L. and Curnow, J.},
  year = {1976},
  url = {https://ntrs.nasa.gov/citations/19770051975},
  note = {Source identifier: 19770051975}
}