A B C D E F G H I J-K L M N O P Q-R S T U V W-Y 0-9
close this section of the libraryPendulum impact tests of wooden and steel highway guardrail posts(1)
View the documentPendulum impact tests of wooden and steel highway guardrail posts / by Charles J. Gatchell and Jarvis D. Michie. Gatchell, Charles J. cn Upper Darby, Pa. : Forest Service, U.S. Dept. of Agriculture, Northeastern Forest Experiment Station, 1974.