TY  - RPRT
TI  - Reparametrization ghost contribution to superstring multiloop amplitudes.
AU  - R Pettorino
AU  - F Pezzella
PY  - 1992
DO  - 10.1103/physrevd.45.3669
UR  - https://pubmed.ncbi.nlm.nih.gov/10014261/
ID  - 10014261
ER  -