@misc{berkovits1996super,
  title={Super-Poincare Invariant Koba-Nielsen Formulas for the Superstring},
  author={Nathan Berkovits},
  year={1996},
  eprint={hep-th/9604120},
  archivePrefix={arXiv},
  primaryClass={hep-th},
  doi={10.1016/0370-2693(96)00873-8},
  url={https://arxiv.org/abs/hep-th/9604120}
}