00350nam a2200145Ia 450000100060000000800410000602000180004704000130006508200190007810000160009724500650011326000090017830000100018754600070019715337140403s9999    xx            000 0 und d  a0-86187-713-6  cPK-LaUMT  a 330.04bMON-T  aMonk, Peter  aTechnological change in the information economycMonk, Peter  c1989  a199 p  aEN