Home1997 Treaties and Agreements ...Brazil (12829) – Memorandum of Understanding Concerning Scientific and Technical Cooperation in the Earth Sciences hide Brazil (12829) – Memorandum of Understanding Concerning Scientific and Technical Cooperation in the Earth Sciences TIAS Office of Treaty Affairs January 31, 1997 Scientific and Technological Cooperation Memorandum of Understanding signed at Reston, January 17 and 31, 1997; entered into force January 31, 1997. Download attachment [186 KB] Tags Brazil Scientific and Technological Cooperation Treaties