"Transport Research Laboratory, TRL".
Authors (all TRL): S. McRobbie, D. Wright, K. Nesnas, and M. McHale.
"This published report has been prepared for SCOTS/Transport Scotland."
Development of complementary indicators for use with the RCI in Scotland. ISBN 9781846089664. Published by IHS in 2011. Publication and catalogue information, links to buy online and reader comments.