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× 20th century
来源:University of California Libraries contributed to BHL , pt. 12卷 , 1911
作者:ROMEYN B. HOUGH, B. A.
关键词:Wood;Trees;...
使用许可:Unknown
来源:Social Sciences , 2015
作者:Nydia A. Martinez
关键词:Chicana/o history;Mexican history;...
使用许可:CC BY
3 The taxonomy of Brazilian insects vectors of transmissible diseases (1900-2000) - then and now [期刊论文]
来源:Memórias do Instituto Oswaldo Cruz , 2000
作者:Nelson Papavero, José Henrique Guimarães
关键词:Brazil;insect vectors;...
使用许可:CC BY
4 Contributions of Natural and Anthropogenic Forcing Agents to the Early 20th Century Warming [期刊论文]
来源:Frontiers in Digital Humanities , 2018
作者:Peter, Thomas;Schmutz, Werner;Arsenovic, Pavle;等
关键词:Climate Change;20th century;...
使用许可:CC BY
来源:Nordic Studies on Alcohol and Drugs , 2014
作者:JohanEdman
关键词:Sweden;history;...
使用许可:CC BY
来源:Journal of the Meteorological Society of Japan , 2019
作者:Siqi ZHANG, Yuyu REN, Guoyu REN
关键词:observation;reanalysis;...
使用许可:Unknown