R. Halvorsen

Natural revegetation on forest topsoil and subsoil along roadsides in boreal forest

A. Skrindo, R. Halvorsen, 2008 .

Prevention of urinary tract infection during intermittent catheterization.

M. Krebs, I. Fishman, R. Halvorsen, 1984, The Journal of urology.

Gradients analyses of forests ground vegetation and its relationships to environmental variables in five subtropical forest areas, S and SW China

T. Økland, H. Liu, R. Halvorsen, 2008 .