The calibration of a high resolution gamma-ray transmission system for measuring soil bulk density and an assessment of its field performance /
Henshall, J. K.(J. Kenneth)
Campbell, D. J.,1940-
[Oxford] : Blackwell Scientific Publications,
c1983.
Caption title.
Off print from: Jouranal of Soil Science, 1989, 34.
Includes bibliography (p. 463).