TY  - RPRT
TI  - Not quite crystal clear.
AU  - A Kitsberg
AU  - J A J Phillips
PY  - 2002
DO  - 10.1111/j.1365-2044.2002.2520_28.x
UR  - https://pubmed.ncbi.nlm.nih.gov/11892653/
ID  - 11892653
ER  -