TY  - RPRT
TI  - A large high-pressure ultrafilter.
AU  - J J BULLEN
AU  - C THURLBOURN
AU  - P BROWN
PY  - 1954
DO  - 10.1038/173254a0
UR  - https://pubmed.ncbi.nlm.nih.gov/13144737/
ID  - 13144737
ER  -