TY  - RPRT
TI  - Extended loop representation of quantum gravity.
AU  - Di Bartolo C
AU  - R Gambini
AU  - J Griego
PY  - 1995
DO  - 10.1103/physrevd.51.502
UR  - https://pubmed.ncbi.nlm.nih.gov/10018503/
ID  - 10018503
ER  -