@misc{indiciae615d18fb1b4f,
  title = {Efficiency of Nd laser materials with laser diode pumping},
  author = {Barnes, Norman P. and Cross, Patricia L. and Skolaut, Milton W., Jr. and Storm, Mark E.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900052024},
  note = {Source identifier: 19900052024}
}