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Book summary

Serendipity:

• Square Wheels: And Other Easy-To-Build, Hands-On Science Activities by Paul Doherty (9780943451558)
• Pressure-Probe Methods for Determining Wind Speed and Flow Direction by R. C. Pankhurst (9780114800123)
• Identitat Und Geschichte by Friedrich-Schiller-Universitat Jena (9783740010102)