TY  - RPRT
TI  - [Small world].
AU  - C Hürny
AU  - H P Ludin
PY  - 1999
DO  - 10.1024/0040-5930.56.2.65
UR  - https://pubmed.ncbi.nlm.nih.gov/10095368/
ID  - 10095368
ER  -