1.

電子ブック
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1. The History of Water Management in the Iberian Peninsula : Between the 16th and 19th Centuries. 1st ed. 2020
edited by Ana Duarte Rodrigues, Carmen Toribio Marín
出版情報: Cham : Springer International Publishing : Imprint: Birkhäuser, 2020
シリーズ名: Trends in the History of Science ;
オンライン: https://doi.org/10.1007/978-3-030-34061-2
2.

電子ブック
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2. Thinking, Drawing, Modelling : GEOMETRIAS 2017, Coimbra, Portugal, June 16–18. 1st ed. 2020
edited by Vera Viana, Vítor Murtinho, João Pedro Xavier
出版情報: Cham : Springer International Publishing : Imprint: Springer, 2020
シリーズ名: Springer Proceedings in Mathematics & Statistics ; 326
オンライン: https://doi.org/10.1007/978-3-030-46804-0