@misc{indiciaec4d05cff41d2,
  title = {Nondestructive testing techniques used in analysis of honeycomb structure bond strength},
  author = {Erdman, D. C. and Martin, G. and Moore, J. F. and Thomas, G. and Varney, H. S.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19670000573},
  note = {Source identifier: 19670000573}
}