@misc{indiciae1b4877f27664, title = {Use of forecasting signatures to help distinguish periodicity, randomness, and chaos in ripples and other spatial patterns}, author = {D. M. Rubin}, year = {1992}, doi = {10.1063/1.165894}, url = {https://pubs.usgs.gov/publication/70017130}, note = {Source identifier: 70017130} }