TY  - RPRT
TI  - Color-singlet quark-pair transmutation: Helicity amplitudes and partial-wave analysis.
AU  - W Roberts
PY  - 1989
DO  - 10.1103/physrevd.39.938
UR  - https://pubmed.ncbi.nlm.nih.gov/9959721/
ID  - 9959721
ER  -