Paula R. Westerman

Annual losses of weed seeds due to predation in organic cereal fields

W. van der Werf, Martin J. Kropff, M. Kropff, 2003 .

Unravelling the process of weed seed predation: Developing options for better weed control

Jordi Recasens, J. Recasens, P. Westerman, 2011 .

Are many little hammers effective? Velvetleaf (Abutilon theophrasti) population dynamics in two- and four-year crop rotation systems

Philip M. Dixon, Robert G. Hartzler, Matt Liebman, 2005, Weed Science.

Seasonal patterns in post-dispersal seed predation of Abutilon theophrasti and Setaria faberi in three cropping systems

Matt Liebman, M. Liebman, A. Heggenstaller, 2006 .