Weeds in a changing world : proceedings of an international symposium organised by the British Crop Protection Council and held at the Brighton Metropole Hotel, on 20 November 1995
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Weeds in a changing world : proceedings of an international symposium organised by the British Crop Protection Council and held at the Brighton Metropole Hotel, on 20 November 1995
（BCPC symposium proceedings, no. 64）
British Crop Protection Council, c1995