TY  - RPRT
TI  - Pion double-charge-exchange operator.
AU  - WR Gibbs
AU  - M Elghossain
AU  - WB Kaufmann
PY  - 1993
DO  - 10.1103/physrevc.48.1546
UR  - https://pubmed.ncbi.nlm.nih.gov/9968995/
ID  - 9968995
ER  -