TY - JOUR T1 - Reply from Tim Birkhead and Fiona Hunter JO - Trends in Ecology & Evolution PY - 1990/01/01 AU - Birkhead T AU - Hunter F ED - DO - DOI: 10.1016/0169-5347(90)90069-p PB - Elsevier BV VL - 5 IS - 8 SP - 263 EP - 264 Y2 - 2024/10/23 ER -