Lutman, P. J. W., Wright, K. J., Berry, K., Freeman, S. E. and Tatnell, L. 2011. Estimation of seed production by Myosotis arvensis, Veronica hederifolia and Viola arvensis under different competitive conditions. Weed Research. 51 (5), pp. 499-507.
Lutman, P. J. W., Berry, K. J. and Freeman, S. E. 2008. Seed production and subsequent seed germination of Senecio vulgaris (groundsel) grown alone or in autumn-sown crops. Weed Research. 48 (3), pp. 237-247.
Lutman, P. J. W., Freeman, S. E., Berry, K. and Hull, R. I. 2005. Studies on the seed production and germination characteristics of Poa annua, Senecio vulgaris, Stellaria media and Tripleurospermum inodorum. Abstracts 13th European Weed Research Society Symposium, Bari, 19-23 June 2005 . CABI International, Wallingford, Oxon (CABI).
Lutman, P. J. W., Hull, R. I., Freeman, S. E. and Wright, K. J. 2004. Seed production by annual weeds in winter wheat and other arable crops. Abstracts 4th International Weed Science Society Congress, Durban, 19-25 June 2004 . pp. 29
Freeman, S. E. and Lutman, P. J. W. 2004. The effects of timing of control of weeds on the yield of winter oilseed rape (Brassica napus ), in the context of the potential commercialization of herbicide-tolerant winter rape. The Journal of Agricultural Science. 142 (3), pp. 263-272.
Lutman, P. J. W., Peters, N. C. B. and Freeman, S. E. 2002. Post-harvest weed seed predation: an Avena fatua case study. Proceedings 12th European Weed Research Society Symposium, Wageningen, 24-27 June 2002 . pp. 270-271