@book{ BB20344604, author = "Greulich, William Walter and Siemens, Hermann Werner, b. 1891 and Weinberg, Wilhelm and Verschuer, Otmar, Freiherr von and Parker, George Howard and Davenport, Charles Benedict and 駒井, 卓 and Curtius, Friedrich, b. 1851 and Lenz, Fritz and Jenkins, Richard Leos and Vogel, Friedrich and Saller, Karl", title = "Twins (2)", publisher = "[出版者不明]", year = "19--", URL = "https://ci.nii.ac.jp/ncid/BB20344604" }