TY  - RPRT
TI  - Sperm competition: evolution and mechanisms.
AU  - T R Birkhead
PY  - 1996
DO  - 10.1016/s0070-2153(08)60338-5
UR  - https://pubmed.ncbi.nlm.nih.gov/9138905/
ID  - 9138905
ER  -