Home2011 Treaties and Agreements ...Estonia (11-225) – Agreement for Scientific and Technological Cooperation on Oil Shale Research and Utilization hide Estonia (11-225) – Agreement for Scientific and Technological Cooperation on Oil Shale Research and Utilization TIAS Office of Treaty Affairs February 25, 2011 Scientific and Technological Cooperation Agreement signed at Tallinn February 25, 2011; Entered into force February 25, 2011. Download attachment [306 KB] Tags Estonia Scientific and Technological Cooperation Treaties