1. SNOMAX i kunstig snolegging; botanskokologiske undersokelser i alpinanlegg;Aarrestad;Norsk Institut for Naturforskning Oppdragsmelding,1993
2. Climate Impact Assessment im Tourismus;Abegg;Die Erde,1997
3. Geochemical studies in a remote Scottish upland catchment. II. Streamwater chemistry during snow-melt;Abrahams;Water, Air, and Soil Pollution,1989
4. Winter recreation and plant development under snow;Baiderin;Ekologiya,1981
5. Management of land use conflicts in the United States Rocky Mountain;Baron;Mountain Research and Development,2000