TY  - RPRT
TI  - Multiple authorship revisited: how much is enough?
AU  - R D Powers
AU  - K K Calkins
PY  - 1998
DO  - 10.1016/s0735-6757(98)90183-8
UR  - https://pubmed.ncbi.nlm.nih.gov/9827755/
ID  - 9827755
ER  -