TY  - RPRT
TI  - Changes in vigilance with group size under scramble competition.
AU  - G Beauchamp
AU  - G D Ruxton
PY  - 2003
DO  - 10.1086/368225
UR  - https://pubmed.ncbi.nlm.nih.gov/12776891/
ID  - 12776891
ER  -