by Westerman, P.R., Hemerik, L., van der Werf, W., Stomph, T.J.
Published in Annals of applied biology (01.01.2018)

by Westerman, P.R, Hofman, A, Vet, L.E.M, van der Werf, W
Published in Agriculture, ecosystems & environment (01.05.2003)

by Saska, P, Werf, W. van der, Vries, E. de, Westerman, P.R
Published in Bulletin of entomological research (01.04.2008)

by Marino, Paul C., Westerman, P.R., Pinkert, C., Werf, W. van der
Published in Agriculture, ecosystems & environment (2005)

by Westerman, P.R., van Ast, A., Stomph, T.J., van der Werf, W.
Published in Crop protection (01.03.2007)

by Westerman, P.R., van der Werf, W.
Published in Agricultural systems (01.05.1998)

by Liebman, M, Gibson, L.R, Sundberg, D.N, Heggenstaller, A.H, Westerman, P.R, Chase, C.A, Hartzler, R.G, Menalled, F.D, Davis, A.S, Dixon, P.M
Published in Agronomy journal (01.05.2008)

by Westerman, P.R, Liebman, M, Menalled, F.D, Heggenstaller, A.D, Hartzler, R.G, Dixon, P.M
Published in Weed science (01.05.2005)

by Westerman, P.R, Liebman, M, Heggenstaller, A.H, Forcella, F
Published in Weed science (01.05.2006)

by Westerman, P. R., Wes, J. S., Kropff, M. J., Van Der Werf, W.
Published in The Journal of applied ecology (01.10.2003)

by Saska, Pavel, Vodde, Maarten, Heijerman, Theodoor, Westerman, Paula, van der Werf, Wopke
Published in Agriculture, ecosystems & environment (01.12.2007)

by WESTERMAN, P.R, DIXON, P.M, LIEBMAN, M
Published in Weed research (01.04.2009)

by WESTERMAN, P R, LUIJENDIJK, C D, WEVERS, J D A, VAN DER WERF, W
Published in Weed research (01.04.2011)

by WILLIAMS, C.L, LIEBMAN, M, WESTERMAN, P.R, BORZA, J, SUNDBERG, D, DANIELSON, B
Published in Weed research (01.08.2009)

by Westerman, P.R.
Published in Journal of invertebrate pathology (01.03.1999)

by Westerman, P.R
Published in Journal of invertebrate pathology (01.11.1998)

by Westerman, P.R, Hofman, A, Vet, L.E.M, Werf, W., van der
Published in Agriculture, ecosystems & environment (2003)

by Westerman, P.R
Published in Journal of invertebrate pathology (01.03.1999)

by Westerman, P.R. (AB-DLO, Wageningen, The Netherlands.)
Published in Journal of invertebrate pathology (01.11.1998)

by Westerman, P.R
Published in Fundamental and applied nematology (1997)