@misc{indiciaeb238cfa73b50,
  title = {Topological defects in extended inflation},
  author = {Copeland, Edmund J. and Kolb, Edward W. and Liddle, Andrew R.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900013189},
  note = {Source identifier: 19900013189}
}