TY  - RPRT
TI  - Conservations, cavities and correlation.
AU  - W Thomas
PY  - 1969
DO  - 10.1111/j.1834-7819.1969.tb02719.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5264546/
ID  - 5264546
ER  -