A. T. Kruzas,K. Gill.Government Research Centers Directory:A guide to U. S. Government Research and Development Centers, Institutes, Laboratories, Buresus, Test Facilities.Gale Research Company,1982.
K. Gill,A. T. Kruzas.International Research Centers Directory 1984:A world guide to Government, University, Independent Nonprofit,......Gale Research Company,1984.