00266nam a2200109Ia 4500082002000000100001900020245004800039260004400087300001500131500000500146700000500151  a303.483bJ35.TP  aJantsch, Erich  aTechnological planning and social futuresb  aLondonbAssociated Business Prog.c1972  axiv, 256p.  a  a