Buses as snow-ploughs

Pilcher, R.S. | Engineering Index Backfile | 1942

Rubber ploughs clear forth bridge snow

Engineering Index Backfile | 1965

Ecological and Economic Aspects of New Developments of Snow Ploughs

Isecke, J. / Permanent International Association of Road Congresses | British Library Conference Proceedings | 1994

The performance of pipeline ploughs in layered soils

Bransby, M.F. / Yun, G.J. / Morrow, D.R. et al. | British Library Conference Proceedings | 2005

Characteristic loading of light mouldboard ploughs at slow speeds

Owende, P. M. O. / Ward, S. M. | British Library Online Contents | 1996