Bildnachweis: S. 8: jacoblund / Getty Images - iStockphoto; S. 18: Science Photo Library / picturedesk.com; S. 25: ctrlaplus1 / Thinkstock; S. 48: mfto / Getty Images; mheim3011 / Thinkstock; XiXinXing / Thinkstock; triocean / Thinkstock; Design Pics / Thinkstock; Ninell_Art / Thinkstock; Brand X Pictures / Thinkstock; Jupiterimages / Thinkstock; S. 56: Heiko Kiera / Fotolia; Creative Nature / Getty Images - iStockphoto; Anagramm / Getty Images - iStockphoto; S. 58: Manfred Wohlfahrt / Fotolia; farbkombinat / Fotolia; ThinkingEarth / Fotolia; S. 60: Linda Bucklin / Thinkstock; Todd Win / Getty Images - iStockphoto; S. 63: unpict / Fotolia Nur zu Prüfzwecken – Eigentum des Verlags öbv
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