Barry, J. Mappings: A chronology of remote sensing / Judith Barry. Incorporations.(1992).
Lua i Stíl Chicago (17ú heag.)Barry, Judith. "Mappings: A Chronology of Remote Sensing / Judith Barry." Incorporations.(1992) .
Lua MLA (8ú heag.)Barry, Judith. "Mappings: A Chronology of Remote Sensing / Judith Barry." Incorporations.(1992), .
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