@article{BARNES_1940,
title={CORRESPONDENCE ON 5217. THE DRAGLINE EXCAVATOR.},
volume={14},
ISSN={0368-2455},
url={http://dx.doi.org/10.1680/ijoti.1940.14317},
DOI={10.1680/ijoti.1940.14317},
number={8},
journal={Journal of the Institution of Civil Engineers},
publisher={Thomas Telford Ltd.},
author={BARNES,
W and BAILEY,
C B and FAIRCLOUGH,
H and HOLDEN,
A F and HUNTSMAN,
B W and KRIEL,
J P and MCNAMARA,
J P and SCOTT,
H K and WALKER,
E G},
year={1940},
month=oct,
pages={539–552} }