Around the clock, around the world: overview of virtual reference service.
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https://hdl.handle.net/1912/701Description
pp. 185-190
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Article: Heckman, Jan E., "Around the clock, around the world: overview of virtual reference service.", https://hdl.handle.net/1912/701Related items
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Tidal dynamics and dispersion around coastal headlands
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Macroscopic observations of diel fish movements around a shallow water artificial reef using a mid-frequency horizontal-looking sonar
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