00285nam a22000977a 4500003000600000005001700006008004100023040002500064245005100089260004700140DE-3120190312152124.0190312b           ||||| |||| 00| 0 ger d  cCopernicus Gymnasium  aPhysikalisches Praktikum cWilhelm H. Westphal  aBraunschweigbFriedr. Vieweg & Sohn c1974