00340nam a2200121Ia 4500008004100000082002100041245004100062260004400103300001000147650003700157942000700194999001700201140224s9999    xx            000 0 und d  aR 058:5 1985  N2  aYear book of science and the future.  aChicagobEncyclopaedia Britannicac1992  a512p.  aScience,Yearbook,Reference works  cBK  c97240d97240