Field study of filter drains on Maidstone by-pass, Kent /
by H. R. Samuel [and] D. M. Farrar.
- Crowthorne, Berkshire : Transport and Road Research Laboratory, 1988.
- 11 , [10] p., [1] p. of plates : ill.
- Contractor report / 61 0266-7045 ; .
- Contractor report (Transport and Road Research Laboratory) ; 61. .