TY - RPRT TI - Multi-scale models of grassland passerine abundance in a fragmented system in Wisconsin AU - R.B. Renfrew AU - C. A. Ribic PY - 2007 DO - 10.1007/s10980-007-9179-2 UR - https://pubs.usgs.gov/publication/70033515 ID - 70033515 ER -