@article{pykaleknowledgeawaremachinelearningfrom,
  title = {PyKale: Knowledge-Aware Machine Learning from Multiple Sources in Python},
  author = {Haiping Lu and Xianyuan Liu and Robert Turner and Peizhen Bai and Raivo E Koot and Shuo Zhou and Mustafa Chasmai and Lawrence Schobs},
  year = {2021},
  eprint = {2106.09756},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2106.09756v1},
}