Yokel, F. Y.; Tucker, R. L.; Reese, L. C.
view article (9.993612)
Soil Classification for Construction Practice in Shallow Trenching. Building Science Series (Final).
National Bureau of Standards, Washington, DC; Texas Univ., Austin
Department of Labor, Washington, DC; Department of Health, Education, and Welfare,,
NBS BSS 121,
March 1980,