Yokel, F. Y.; Stanevich, R. L.
view article (9.992496)
Development of Draft Construction Safety Standards for Excavations. An NBS/NIOSH Publication. Volume 1.
National Bureau of Standards, Washington, DC
National Institute for Occupational Safety and Health, Morgantown, WV,
NBSIR 83-2693; DHHS/PUB/NIOSH-83-103,
April 1983,