Barry, J. Mappings: A chronology of remote sensing / Judith Barry. Incorporations.(1992).
Chicago-viite (17. p.)Barry, Judith. "Mappings: A Chronology of Remote Sensing / Judith Barry." Incorporations.(1992) .
MLA-viite (8. p.)Barry, Judith. "Mappings: A Chronology of Remote Sensing / Judith Barry." Incorporations.(1992), .
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