00293nam a22000977a 4500003000600000005001700006008004100023040002500064245005800089260004800147DE-3120190409153922.0190409b           ||||| |||| 00| 0 ger d  cCopernicus Gymnasium  aPhysik Band III A bMechanikcProf. Dr. Wilfried Kuhn  aBraunschweigbGeorg Westermann Verlagc1973