开放教学与学术演示资源，共 13 页。原作者：Zoccoler, Marcelo; Bekemeier, Simon; Boissonnet, Tom; Parker, Simon; Bertinetti, Luca; Gentzel, Marc; Massei, Riccardo; Wetzker, Cornelia。保留原文件语言与内容。
资源署名：Zoccoler, Marcelo; Bekemeier, Simon; Boissonnet, Tom; Parker, Simon; Bertinetti, Luca; Gentzel, Marc; Massei, Riccardo; Wetzker, Cornelia · cc-by-4.0 · 原始来源
