@misc{indiciae2b88d866ee57, title = {The Apollo Lunar Sounder radar system}, author = {Porcello, L. J. and Zelenka, J. S. and Adams, G. F. and Jackson, P. L. and Jordan, R. L. and Phillips, R. J. and Brown, W. E., Jr. and Ward, S. H.}, year = {1974}, url = {https://ntrs.nasa.gov/citations/19740052384}, note = {Source identifier: 19740052384} }