TY  - RPRT
TI  - Tree-level string cosmology.
AU  - R Easther
AU  - Ki Maeda
AU  - D Wands
PY  - 1996
DO  - 10.1103/physrevd.53.4247
UR  - https://pubmed.ncbi.nlm.nih.gov/10020421/
ID  - 10020421
ER  -