TY  - RPRT
TI  - Certainty of paternity and paternal investment in eastern bluebirds and tree swallows
AU  - Bart Kempenaers
AU  - Richard B. Lanctot
AU  - Raleigh J. Robertson
PY  - 1998
DO  - 10.1006/anbe.1997.0667
UR  - https://pubs.usgs.gov/publication/70180709
ID  - 70180709
ER  -