TY  - RPRT
TI  - Kristinn Stefánsson.
AU  - T Jóhannesson
PY  - 1967
DO  - 10.1111/j.1600-0773.1967.tb00418.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4866170/
ID  - 4866170
ER  -