Parsons, A. W.
The precision of the moisture condition test / by A. W. Parsons and A. F. Toombs. - Crowthorne, Birks. : Transport and Road Research Laboratory, 1987. - 9 p. : ill. - Research report / 90 . - Research report (Transport and Road Research Laboratory ; 90. .
10250164
Sand.
Gravel.
The precision of the moisture condition test / by A. W. Parsons and A. F. Toombs. - Crowthorne, Birks. : Transport and Road Research Laboratory, 1987. - 9 p. : ill. - Research report / 90 . - Research report (Transport and Road Research Laboratory ; 90. .
10250164
Sand.
Gravel.