@misc{indiciae3035b2e1b657, title = {Ice sheet topography by satellite altimetry}, author = {R.L. Brooks and W. J. Campbell and R.O. Ramseier and H.R. Stanley and H.J. Zwally}, year = {1978}, doi = {10.1038/274539a0}, url = {https://pubs.usgs.gov/publication/70012549}, note = {Source identifier: 70012549} }