@inproceedings{inproceedings558ac740,
title   = {Contribution to the geoid determination},
author = {Blitzkow, Denizar and Cintra, Jorge Pimentel and Fortes, L P S},
year = {1993},
publisher = {Springer},
booktitle   = {Symposium on Recent Geodetic and Gravimetric Research in Latin America}
}