@inproceedings{inproceedingsa1c51dc9,
title   = {Data coverage improvement for geoid computation in South America},
author = {Blitzkow, Denizar and Lobianco, Maria Cristina Barboza and Fairhead, J D},
year = {1997},
publisher = {Springer},
booktitle   = {International Symposium on Gravity, Geoid, and Marine Geodesy}
}