000 00260cam a22001097a 4500
008 180718b1972 xxu||||| |||| 00| 0 eng d
082 _aB131 In8u
245 _aUrbanization
260 _aWashington, D.C.
_bIBRD
_c1972
300 _a111p.
650 _aUrbanization
999 _c225227
_d225227