TY - RPRT TI - Regional population viability of grassland songbirds: Effects of agricultural management AU - N.G. Perlut AU - A.M. Strong AU - T.M. Donovan AU - N. J. Buckley PY - 2008 DO - 10.1016/j.biocon.2008.09.011 UR - https://pubs.usgs.gov/publication/70032879 ID - 70032879 ER -