@article{gordon1970algebraic,
  title={Algebraic reconstruction techniques (ART) for three-dimensional electron microscopy and X-ray photography},
  author={Gordon, Richard and Bender, Robert and Herman, Gabor T},
  journal={Journal of theoretical Biology},
  volume={29},
  number={3},
  pages={471--481},
  year={1970},
  publisher={Elsevier}
}

@article{Dwivedi2018,
    author = {Dwivedi, Priya and Konijnenberg, A.P. and Pereira, S.F. and Urbach, H.P.},
    doi = {10.1016/j.ultramic.2018.04.004},
    journal = {Ultramicroscopy},
    pages = {29--36},
    title = {Lateral position correction in ptychography using the gradient of intensity patterns},
    url = {https://doi.org/10.1016/j.ultramic.2018.04.004},
    volume = {192},
    year = {2018}
}
