@inproceedings{albrecht1997calabi-yau,
title={Calabi-Yau four-folds for M-and F-theory compactifications},
author={Albrecht Klemm, B Lian, S-S Roan, and Shing-Tung Yau},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224203512738801041},
booktitle={Nuclear Physics B},
volume={518},
number={3},
pages={515-574},
year={1997},
}
Albrecht Klemm, B Lian, S-S Roan, and Shing-Tung Yau. Calabi-Yau four-folds for M-and F-theory compactifications. 1997. Vol. 518. In Nuclear Physics B. pp.515-574. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224203512738801041.