Research centers directory : a guide to approximately 9.200 university-related and other nonprofit research organizations established on a permanent basis and carrying on continuing research programs in agriculture, astronomy and space sciences, behavioral and social sciences, biological sciences and ecology, business and economics, computers and mathematics, education, engineering and technology, government and public affairs, humanities and religion, labor and industrial relations, law, medical sciences, physical and earth sciences, and regional and area studies. 1. (Sections 1-7), entries 1-5603