Berisso, F. E., Lamandé, M., Keller, T., Carizzoni, M. & Stettler, M. (2013).
Using a seismic method to study the dynamic soil behavior during repeated loading with an agricultural tire. Abstract fra ASA, CSSA, and SSSA 2013 International Annual Meetings, Tampa, Florida, USA.
Sørensen, P., Kristensen, E., Odokonyero, K.
& Petersen, S. O. (2013).
Utilization of nitrogen in legume-based mobile green manures stored as compost or silage. I A.-K. Løes, M. Askegaard, V. Langer, K. Partanen, S. Pehme, I. A. Rasmussen, E. Salomon, P. Sørensen, K. Ullvén & M. Wivstad (red.),
NJF Seminar 461: Organic farming systems as a driver for change (3 udg., Bind 9, s. 157-158)