prepared by staff of Airphoto Laboratory, Joint Highway Research Project, Engineering Experiment Station, Purdue University, Lafayette, Indiana, and State Highway Dept. of Indiana, Indianapolis, Indiana
Date
1959
Series
Engineering bulletin, Extension series (Purdue University) ; no. 97
G.R. Keller [and others] ; prepared for Division of Reactor Safety Research, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission under contract no. NRC-04-76-323