Global S&T Development Trend Analysis Platform of Resources and Environment
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当前检索式 | ((ALL:Iverson, Nels)) |
限定条件 | ((出处:PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA) AND (作者:Burkhart, John F.分Burkhart, John F.) AND (专题:资源环境科学)) |