Publications for:

pest = Veronica serpyllifolia (weed)
country = Sweden

found 2 publications:

1998

Weed flora and the relative importance of site, crop, crop rotation, and nitrogen
Weed Science (1998) 46 (1), 30-38
pestinfo wiki

1996

Weed performance in crop rotations with and without leys and at different nitrogen levels
Annals of Applied Biology (1996) 128 (3), 505-518
publishers website - pestinfo wiki