TY  - RPRT
TI  - Quantum evolving constants. Reply to "Comment on 'Time in quantum gravity: An hypothesis' "
AU  - C Rovelli
PY  - 1991
DO  - 10.1103/physrevd.44.1339
UR  - https://pubmed.ncbi.nlm.nih.gov/10014000/
ID  - 10014000
ER  -