@misc{indiciae25624449d508,
  title = {Tree-level string cosmology.},
  author = {R Easther and Ki Maeda and D Wands},
  year = {1996},
  doi = {10.1103/physrevd.53.4247},
  url = {https://pubmed.ncbi.nlm.nih.gov/10020421/},
  note = {Source identifier: 10020421}
}