Artifact Pattern and Stratificational UnitsBERTELSEN, R.American Archeology. 1985, Vol 5, Num 1, pp 16-20, issn 0740-8358Article

Correspondence Analysis: An Alternative to Principal ComponentsBOLVIKEN, E; HELSKOG, E; HELSKOG, K et al.World Archaeology Henly-on-Thames. 1982, Vol 14, Num 1, pp 41-60Article

Fouilles polono-norvégiennes à Soloy. Essai d'analyse stratigraphiqueBERTELSEN, R; URBANCZYK, P.Sprawozdania Archeologiczne Krakow. 1985, Vol 37, pp 217-250Article

Childhood asthma and early life exposure to indoor allergens, endotoxin and β(1,3)-glucansBERTELSEN, R. J; LØDRUP CARLSEN, K. C; CARLSEN, K.-H et al.Clinical and experimental allergy (Print). 2010, Vol 40, Num 2, pp 307-316, issn 0954-7894, 10 p.Article

Gender differences in indoor allergen exposure and association with current rhinitisBERTELSEN, R. J; INSTANES, C; GRANUM, B et al.Clinical and experimental allergy (Print). 2010, Vol 40, Num 9, pp 1388-1397, issn 0954-7894, 10 p.Article