000 00504cam a22001097a 4500
008 180718b1973 xxu||||| |||| 00| 0 eng d
082 _aB19 Un3a
245 _aApproachies and methods used in long-term social planning and policy-making: conclusions of the seminar at Arc-et-senans, France (3-10 May 1972) and collection of working papers submitted to the seminar
_cby Economic Commission for Europe
260 _aNew York
_bUnited Nations
_c1973
300 _a274p.
700 _aEconomic Commission for Europe
999 _c487937
_d487937