An attempt to link the Brazilian Height System to a World Height System

by V. G. Ferreira, S. R. C. de Freitas

AN ATTEMPT TO LINK THE BRAZILIAN HEIGHT SYSTEM TO A WORLD HEIGHT SYSTEM

by V. G. FERREIRA, S. R. C. DE FREITAS
Published in Boletim de Ciências Geodésicas (2012)

OFFSET EVALUATION OF THE ECUADORIAN VERTICAL DATUM RELATED TO THE IHRS

by José L. Carrión Sánchez, Sílvio R. C. de Freitas, Riccardo Barzaghi
Published in Boletim de Ciências Geodésicas (2018)