The impact of road traffic on plants the proceedings of a symposium organised by the British Ecological Society and the Transport and Road Research Laboratory, held at Easthampstead Park, Wokingham, Berkshire, 11-13 September 1978 - Symposium on the Impact of Road Traffic on Plants Wokingham, Berk. 1978.; Colwill, D. M.; British Ecological Society; Transport and Road Research Laboratory (Crowthorne, Berk. Transport and Road Research Laboratory, Environment Division, 1979)