onr-5 Materials research in the navy : a symposium sponsored by the Office of Naval Research, March 17, 18, and 19, 1959, the Benjamin Franklin Hotel, … Conference on engineering systems for education and training : June 14-15, 1966, Twin Bridges Marriott Motor Hotel, Arlington, Virginia Perestroika : oppertunities for real detente? : International round tabel conference III, Koepelzaal Sonesta Hotel Amsterdam / Stichting Vredes Politiek
