@misc{indiciae2098f1ff7224, title = {A gravity field comparison and analysis to support Magellan navigation}, author = {Kronschnabl, G. R. and Mcnamee, J. B. and Engelhardt, D. B. and Graat, E. J.}, year = {1992}, url = {https://ntrs.nasa.gov/citations/19920060679}, note = {Source identifier: 19920060679} }