00403nam a2200157Ia 4500008004100000082002500041100001700066245002800083250000600111260003100117300000700148600001700155630002800172700001700200730002800217151018s9999    xx            000 0 und d  bRBASDV30743a681.133  aNavkala  Roy  aThe Clock: How it works  b5  bChildren Books Trustc1998  a24  aNavkala  Roy  aThe Clock: How it works  aNavkala  Roy  aThe Clock: How it works