Brons M, P Nijkamp, E Pels and P Rietveld (2005). “Efficiency of Urban Public Transit: A Meta Analysis.” Transportation 32(1): 1-21.

Brons M, P Nijkamp, E Pels and P Rietveld (2005). “Efficiency of Urban Public Transit: A Meta Analysis.” Transportation 32(1): 1-21.

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