@article {gan2021triggerless,
	title = {Triggerless Backdoor Attack for NLP Tasks with Clean Labels},
	journal = {NAACL 2022},
	year = {2021},
	author = {Gan, Leilei and Li, Jiwei and Zhang, Tianwei and Li, Xiaoya and Meng, Yuxian and Wu, Fei and Guo, Shangwei and Chun Fan}
}
