00318nam a2200121Ia 4500008004000000020001800040082001500058100002600073245003900099260003300138300001200171650001300183210210b1979   xxu||||| |||| 00| 0 eng d  a0 906216 15 X  a338.9 BETS  aBETTELHEIM (Charles).  aStudies in the theory of planning.  aLondonbJ K Publishersc1979  axii,451  aPlanning