TY  - RPRT
TI  - A substance for aqueous density gradients.
AU  - H HOLTER
AU  - K M MOLLER
PY  - 1958
DO  - 10.1016/0014-4827(58)90116-2
UR  - https://pubmed.ncbi.nlm.nih.gov/13609645/
ID  - 13609645
ER  -