TRRL laboratory report 1110 Transport and Road Research Laboratory. - Crowthorne, Berkshire : Transport and Road Research Laboratory, 1974- - v. 26 p.: ill. ; 30 cm.

"Department of the Environment." Latest issue consulted: 1050, published in 1982. Some issues of earlier title, TRRL report, have TRRL laboratory report on cover, 1973-1974. Technical report.



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