00274nam a2200097Ia 4500082001400000245006000014100002200074942002000096008004100116999001900157  aJ 5R GRAH 0aScience and technology : over 11 questions and answers   aGraham, Ian 9819  cBKyzCRON CRON210825s9999    xx            000 0 und d  c516218d516217