RT null T1 Methods to Estimate Vehicular Characteristics in Indian Cities A1 United Nations Environment Programme, YR 2013 FD 2013-08 LK https://wedocs.unep.org/handle/20.500.11822/16973 UL https://wedocs.unep.org/handle/20.500.11822/16973 NO https://www.unep.org/transport/lowcarbon DS UN Environment Document Repository RD Sep 19, 2026