TY  - RPRT
TI  - Error prevention scheme with four particles.
AU  - L Vaidman
AU  - L Goldenberg
AU  - S Wiesner
PY  - 1996
DO  - 10.1103/physreva.54.r1745
UR  - https://pubmed.ncbi.nlm.nih.gov/9913754/
ID  - 9913754
ER  -