TY  - RPRT
TI  - Efficient calculation of one-loop QCD amplitudes.
AU  - Z Bern
AU  - DA Kosower
PY  - 1991
DO  - 10.1103/physrevlett.66.1669
UR  - https://pubmed.ncbi.nlm.nih.gov/10043277/
ID  - 10043277
ER  -