Energy Ubelacker, Erich creator text xx New Delhi Tessloff Sterling Pub c2009 19uu Eng. ed. monographic eng
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48p.; col. ill.: 28cm. Erich Ubelacker.-- illustrated by Johannes Blendinger and Frank Kliemt. Includes index and glossary Energy source of energy How and why 9789380152745 120516 20200213071211.0