=LDR 22 4500 =001 2979 =082 04$a388 .7 =100 1\$aBruton, M. J. =245 10$aIntroduction to transportation planning =260 \\$aLondon :$bHutchinson,$c1975 =650 \0$aBooks =852 \\$bFreeman Library$h388 .7