00345nam a2200133Ia 450000100060000000800410000602000180004704000130006508200160007824500440009426000550013830000110019354600070020421681140409s9999    xx            000 0 und d  a0-85229-366-6  cPK-LaUMT  aR 031bENC-  a1980 yearbook of science and the future  aChicago,USA:bEncyclopedia Britannica, Inc.,c1980  a447 p.  aEN