:::bibtex
@InProceedings{Graf20Tsinghua,
    author={Graf, Thomas},
    editor={Deng, Dun
    and Liu, Fenrong
    and Liu, Mingming
    and Westerst{\aa}hl, Dag},
    title={Monotonicity in Syntax},
    booktitle={Monotonicity in Logic and Language},
    series = {Lecture Notes in Computer Science},
    volume = {12564},
    year={2020},
    publisher={Springer},
    address={Berlin, Heidelberg},
    pages={35--53},
    doi = {10.1007/978-3-662-62843-0_3},
}