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Are you Dap Hartmann, author of the books below?
Atlas of Galactic Neutral Hydrogen by Dap Hartmann The Leiden/Dwingeloo Survey of Galactic Neutral Hydrogen by Dap Hartmann The Leiden/Dwingeloo survey of galactic neutral hydrogen by Dap Hartmann Over de grens by Reinbert de Leeuw De Armen van de Inktvis by Max Pam Managing Technology Entrepreneurship and Innovation by Paul Trott The Cyclic Nature of Innovation by Gary Libecap


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