@misc{indiciae1f12f4a1ad7b, title = {An efficient algorithm for estimating noise covariances in distributed systems}, author = {Dee, D. P. and Cohn, S. E. and Ghil, M. and Dalcher, A.}, year = {1985}, url = {https://ntrs.nasa.gov/citations/19860029179}, note = {Source identifier: 19860029179} }