Chao Wang, Mohammed Quddus, Marcus Enoch, Tim Ryley and Lisa Davison (2012) "The impact of socio-economic factors on the demand for Demand-Responsive Transport (DRT) in Greater Manchester: A multilevel modelling approach", 91st Annual Meeting of the Transportation Research Board, Washington DC, USA, January 2012.

Chao Wang, Mohammed Quddus, Tim Ryley, Marcus Enoch, and Lisa Davison (2012) "Spatial models in transport: a review and assessment of methodological issues", 91st Annual Meeting of the Transportation Research Board, Washington DC, USA, January 2012.

Lisa Davison, Marcus Enoch, Tim Ryley, Mohammed Quddus and Chao Wang (2012) “A survey of Demand-Responsive Transport in Great Britain” 91st Annual Meeting of the Transportation Research Board, Washington DC, USA, January 2012.