TY  - RPRT
TI  - When can identical particles collide?
AU  - M Bourdeau
AU  - RD Sorkin
PY  - 1992
DO  - 10.1103/physrevd.45.687
UR  - https://pubmed.ncbi.nlm.nih.gov/10014422/
ID  - 10014422
ER  -