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Freemantle, Nick (16 December 2000). "CD: StatsDirect---Statistical Software for Medical Research in the 21st Century". BMJ. 321 (7275): 1536. doi:10.1136/bmj.321.7275.1536. S2CID62184308.
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Bechhofer, Sean; Buchan, Iain; De Roure, David; Missier, Paolo; Ainsworth, John; Bhagat, Jiten; Couch, Philip; Cruickshank, Don; Delderfield, Mark; Dunlop, Ian; Gamble, Matthew; Michaelides, Danius; Owen, Stuart; Newman, David; Sufi, Shoaib; Goble, Carole (2013). "Why linked data is not enough for scientists"(PDF). Future Generation Computer Systems. 29 (2): 599–611. doi:10.1016/j.future.2011.08.004.