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author_ss:"Nicholson, S."
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author_ss:"Pomerantz, J."
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theme_ss:"Informationsdienstleistungen"
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theme_ss:"Internet"
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year_i:[2000 TO 2010}
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Pomerantz, J.; Nicholson, S.; Belanger, Y.; Lankes, R.D.: ¬The current state of digital reference : validation of a general digital reference model through a survey of digital reference services (2004)
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