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            <author_list>Lawrence, D. J.</author_list>
            <publication_year>2018</publication_year>
            <doi>10.17189/1518583</doi>
            <description>
                The MESSENGER NS uncalibrated observations consist
                of science and instrument data collected by the Neutron
                Spectrometer sensor.
            </description>
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            <comment>This document describes how the Geosciences Node MESSENGER data sets were migrated from PDS3 to PDS4.</comment>
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