@article{pavlov2011quantized,
  author = {Pavlov, K.M. and Paganin, D.M. and Vine, D.J. and Schmalz, J.A. and Suzuki, Y. and Uesugi, K. and Takeuchi, A. and Yagi, N. and Kharchenko, A. and Blaj, G. and Jak{\r{u}}bek, J. and Altissimo, M. and Clark, J.N.},
  title = {Quantized hard-x-ray phase vortices nucleated by aberrated nanolenses},
  journal = {Physical Review A},
  publisher = {American Physical Society (APS)},
  volume = {83},
  number = {1},
  pages = {013813},
  year = {2011},
  doi = {10.1103/PhysRevA.83.013813},
  issn = {1050-2947}
}