Title: Pendulum impact tests of wooden and steel highway guardrail posts / by Charles J. Gatchell and Jarvis D. Michie.
Author(s): Gatchell, Charles J. cn
Publisher: Upper Darby, Pa. : Forest Service, U.S. Dept. of Agriculture, Northeastern Forest Experiment Station, 1974.
Subject(s): Roads Guard fences Testing.

 LDR 00793cam  2200217 a 4500
001     AUA010119840
008     750228s19740000paua000000000f000000eng0d
035 00 _a (OCoLC)01194249
040 00 _d m/c
       _d RQF
049 00 _a RQFU
070 00 _a A99.9
       _b F7622Un no.311
072 00 _a X600
086 00 _a A 13.78:NE-311
092 00 _a 634.9
       _b Un3117up, no.311
100 10 _a Gatchell, Charles J.
       _w cn
245 10 _a Pendulum impact tests of wooden and steel highway
 guardrail posts /
       _c by Charles J. Gatchell and Jarvis D. Michie.
260 00 _a Upper Darby, Pa. :
       _b Forest Service, U.S. Dept. of Agriculture,
 Northeastern Forest Experiment Station,
       _c 1974.
300 00 _a 20 p. :
       _b ill. ;
       _c 27 cm.
440 00 _a USDA Forest Service research paper NE ;
       _v 311
650 00 _a Roads
       _x Guard fences
       _x Testing.
700 10 _a Michie, Jarvis Dale.