2 Электронные книги Regina V. Germanno
Regina V Germanno: Germanium
Germanium is an important semiconductor material used in transistors and various other electronic devices. Its major end uses are fiber-optic systems and infrared optics, but it is also used for …
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DRM
€286.70
Terry Matthewson: National Disasters and Emergencies
When there is a catastrophe in the United States, state and local governments lead response activities, invoking state and local legal authorities to support them. When state and local response …
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DRM
€231.25
