Tebrügge, F., Carvalho, M., Viaux, P., Lescar, L.
& Melander, B. (1998).
Group III: agronomic (yields, crop rotation, weeds .) and economic aspects. I
Proceedings EU-Concerted Action - No-Tillage - Workshop IV, Final Report (s. 75-77)
Sejrsen, K., Purup, S., Vestergaard, M., Weber, M. S. & Knight, C. H. (1998).
Growth hormone and mammary growth. I
3rd International Conference on Farm Animal Endocrinology: The Somatotropin Axis. Bruxelles, Dec. 7-10, 1998. Biotechnology, Agronomy, Society and Environment, Vol. 2 (s. 1-1)
Nicholson, M., Webb, K. J., Skøt, L.
, Jørgensen, B. & Mizen, S. (1998).
GUS activity. Microscopical detection of gene activity in legume roots is one step closer to cloning nitrogen fixation genes.
Imaging & Microscopy,
150, 5.
Bennedsgaard, T. W., Vaarst, M., Enevoldsen, C., Thamsborg, S. M. & Andersen, H. J. (1998).
Health care advisory service in Danish organic dairy herds. I
Proceedings, XVIII Nordic Veterinary Congress, 4th-7th August 1998, Helsinki, Finland (s. 132-132)
Dietz, R., Pacyna, J., Thomas, D. J. . (red.)
, Asmund, G., Johansen, P. & Riget, F. (1998).
Heavy Metals. I
AMAP Assessment Report: Arctic Pollution Issues (s. 373-524). Oslo: Arctic Monitoring and Assessment Programme (AMAP).
Wind, P., Stoltze, M. & Strandberg, M. (red.) (1998).
Hedernes naturværdier. I M. Strandberg (red.),
Hedens kultur og natur (s. 47-54). Projekt EDB I Undervisningen.
Hodge, S., Keesing, V., Wratten, S. D.
, Lövei, G. L., Palmer, J. & Cigli, T. (1998).
Herbivore damage and leaf loss in the New Zealand pepper tree ('kawakawa'; Macropiper excelsum; Piperaceae).
New Zealand Journal of Ecology,
22, 173-180.
http://www.newzealandecology.org/nzje/free_issues/NZJEcol22_2_173.pdf
Lauridsen, T. L., Jeppesen, E., Søndergaard, M., Lodge, D. M., Jeppesen, E. (red.), Søndergaard, M. (red.)
, Søndergaard, M. (red.) & Christoffersen, K. (red.) (1998).
Horizontal Migration of Zooplankton: Predator-Mediated Use of Macrophyte Habitat.
Ecological Studies,
131, 233-239.