@misc{indiciaeae39458634bd,
  title = {Kalman filter terretrial reference frame solutions based on time-variable process noise},
  author = {Schuh, H. and Heinkelmann, R. and Karbon, M. and Glaser, S. and Nilsson, T. and Balidakis, K. and Wu, X. and Heflin, M. and Chin, T. and Abbondanza, C. and Gross, R. and Soja, Benedikt},
  year = {2017},
  url = {https://ntrs.nasa.gov/citations/20210008507},
  note = {Source identifier: 20210008507}
}