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Pejtersen, A.M.: ¬The Book House : Modelling user's needs and search strategies as a basis for system design (1989)
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Goodstein, L.P.; Pejtersen, A.M.: ¬The Book House : System functionality and evaluation (1989)
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Bell, J.: ¬The far north and beyond : an index to Canadian science fiction and fantasy in english-language genre magazines and other selected periodicals of the pulp era, 1896-1955 (1998)
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