TY  - RPRT
TI  - Quantum gravity and turning points in the semiclassical approximation.
AU  - E Keski-Vakkuri
AU  - SD Mathur
PY  - 1996
DO  - 10.1103/physrevd.54.7391
UR  - https://pubmed.ncbi.nlm.nih.gov/10020756/
ID  - 10020756
ER  -