Titlebook: Punktkartenflora von Duisburg und Umgebung; nebst Angabe der Sta Ruprecht Düll,Herfried Kutzelnigg Book 1980 Springer Fachmedien Wiesbaden

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Michael Bretzled England in the 16th Century, her personal physician, William Gilbert, spent his spare time for studying magnetism. He shaped a load-stone in the form of the earth, which he called ‘ terrella’ and found that the magnetic forces on its surface were distributed somewhat similar to that of the earth

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0172-7389 not hitherto been available. Classical mechanics and equilibrium thermody­ namics, for instance, are inappropriate and useless in some of the most essen­ tial b978-3-642-79292-2978-3-642-79290-8Series ISSN 0172-7389 Series E-ISSN 2198-333X