00783cas|a2200253 i 450000500170000000800410001702000150005803500150007309000210008810000250010924500640013426000570019830000100025549000220026565000270028765000160031465000160033081000700034690700250041690200110044199800280045294500320048099900170051220260818085110.0011203s1971    us  u m rtt  00|  a1eng d  a0309019109  a.b11840912  aTE7bN25 no. 1191 aCunningham, Roger A.10aControl of highway advertising signs :bsome legal problems  aWashington, D.C. :bNational Research Council,c1971  a72 p.1 aReport ;vno. 11910aHighway communications10aHighway law10aAdvertising2 aNational Cooperative Highway Research Program.tReport ;vno. 119  a.b11840912bmngc c-  a120618  b0c960720dmea  f-g0  lmngc aTE7bN25 no. 116-120  c23104d23104