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AbeBooks is your source for Used, New, Rare and Out of print books. Find classic collectibles, rare signed editions, used textbooks, and inexpensive bestsellers from independent booksellers worldwide.

Find what you want in a library near you with WorldCat, a global catalog of library collections.

Choose from more than 100 million new & used books, used textbooks, and rare, out-of-print books from over 8,000 independent book stores around the world.

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Biblio brings together thousands of independent booksellers worldwide to offer you over 50 million used, rare, out-of-print, signed and first edition books and textbooks. Searching is done by author, title, keyword, or isbn number. Search Biblio for ...

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An alliance of three universities - ETH Zurich, The University of Tokyo, Chalmers University of Technology, and MIT - to develop new, multicultural, strategic approaches to issues in sustainability.