@article{multimodaltransformerwithvariablelength,
  title = {Multimodal Transformer with Variable-length Memory for Vision-and-Language Navigation},
  author = {Chuang Lin and Yi Jiang and Jianfei Cai and Lizhen Qu and Gholamreza Haffari and Zehuan Yuan},
  year = {2021},
  eprint = {2111.05759},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2111.05759v2},
}