Hand-held gamma-ray transmission equipment for the measurement of bulk density of field soils /
Soane, B. D. ǂq (Brennan D.),author.
National Institute of Agricultural Engineering (Great Britain).Scottish Station.
Unbound.
"SSN/30."--cover leaf.
"Not for  publication."--stamped on cover leaf.
Report dated May 1969.
Includes bibliographical references (leaf 6).
Soils
Gamma rays