TY  - RPRT
TI  - String theory.
AU  - B R Greene
AU  - D R Morrison
AU  - J Polchinski
PY  - 1998
DO  - 10.1073/pnas.95.19.11039
UR  - https://pubmed.ncbi.nlm.nih.gov/9736684/
ID  - 9736684
ER  -