TY  - RPRT
TI  - Spacetime singularities in string theory.
AU  - GT Horowitz
AU  - AR Steif
PY  - 1990
DO  - 10.1103/physrevlett.64.260
UR  - https://pubmed.ncbi.nlm.nih.gov/10041934/
ID  - 10041934
ER  -