TY  - RPRT
TI  - Can the Sigma -nn system be bound?
AU  - A Stadler
AU  - BF Gibson
PY  - 1994
DO  - 10.1103/physrevc.50.512
UR  - https://pubmed.ncbi.nlm.nih.gov/9969689/
ID  - 9969689
ER  -