@misc{1173201,
  author = {D R Lehman and J S O'Connell},
  title = {Graphical recoupling of angular momenta:},
  year = {1973},
  month = {1973-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.MONO.136},
  language = {en},
}