1. Caries profunda;Nygaard-Östbye;Norske Tarnnlaegeforen Tid,1951
2. Healing processes in the pulp on capping;Nyborg,1955
3. Tissue changes in the dental pulp;Langeland;Odontol Tidskr,1957
4. Pulpal response to early dental caries;Brännström;J Dent Res,1965
5. Indirect capping and the treatment of deep carious lesions;Langeland;Int Dent J,1968