00367nam a2200097Ia 4500245005300000100005300053942000700106008004100113999001900154952009600173 0aHow Big? How Heavy? How Dense? A Look at Matter   a BOOTHROYD, Jennifer  Minneapolis, 2011  977292  cBK210817s9999    xx            000 0 und d  c263444d263443  00104070aLOWSLbLOWSLd2021-08-19g100.00l0p33228021493182r2021-08-19w2021-08-19yBK