000 00310nam a2200121Ia 4500
082 _a711.4
_bUNI
100 _aUnited Nations [UN]
245 _aThreshold analysis handbook.
260 _aNew York,Geneva etc
_bUnited Nations
_c1977
300 _a167p.; 48maps.
890 _aUnited States
999 _c34251
_d34251
650 _aCity planning--Methodology