TY  - RPRT
TI  - Primordial bubbles from quadratic gravity.
AU  - F Occhionero
AU  - L Amendola
PY  - 1994
DO  - 10.1103/physrevd.50.4846
UR  - https://pubmed.ncbi.nlm.nih.gov/10018136/
ID  - 10018136
ER  -