=LDR 22 4500 =001 5617 =082 04$a363.731 WHI =100 1\$aWhitelegg, J. =245 10$aTransport for a sustainable future =260 \\$aLondon :$bBelhaven Press,$c1993 =650 \0$aBooks =852 \\$bFreeman Library$h363.731 WHI