Keio Universityweb.sfc.keio.ac.jp/~rdv/wdn-rdv-20070826-scan.pdf · smart people in a room and...
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Keio Universityweb.sfc.keio.ac.jp/~rdv/wdn-rdv-20070826-scan.pdf · smart people in a room and telling them to build some- thing. Looking back we all make mistakes, but it's water
