Sjödahl-Svensson, Kjell; Lewan, Elisabet; Clarholm, Marianne 1994 Effects of a ryegrass catch crop on microbial biomass and mineral nitrogen in an arable soil during winter Research article (Peer reviewed)
Lewan, Elisabet 1993 Evaporation and discharge from arable land with cropped or bare soils during winter. Measurements and Simulations Research article (Peer reviewed)