On the level: Lincolnshire crossings A photo essay on Fenland level crossings

Online Contents | 2010

Level crossings - some solutions

Haynes, P. / Packham, F. / Donaldson, T. et al. | British Library Online Contents | 1996

Level crossings - the problems

Nelson, R. C. / Clark, M. / Lamont, I. et al. | British Library Online Contents | 1996

Making level crossings safer

Hall, Stan / Mark, Peter van der | IuD Bahn | 2006

Level Crossings of Random Processes

Ditlevsen, Ove | Springer Verlag | 1983