Bjerke, JW 2000: Bevaring og tilrettelegging av helleristninger sett fra et biologisk ståsted [Conservation and presentation of rock carvings seen from a biological viewpoint]. - Riksantikvarens Rapporter29-2000(1): 75-86. [RLL List # 186 / Rec.# 22854] Keywords: BIODETERIORATION/ MAN-MADE SUBSTRATES/ NORWAY/ REMOVAL
Abstract: 1 fig. [Description of problems of lichen growth on rock carvings in northern Norway, including comments on techniques for removal. In A.-S. Hygen (ed.), Fire år Med Bergkunstprosjektet 1996-1999, Riksantikvarens Bergkunstprosjekt Sikring av Bergkunst 1996-2005. Title translation provided by Arve Elvebakk.]