TY  - RPRT
TI  - Hydrostatically balanced gradient-formers: programming of gradients.
AU  - A G Clark
AU  - J W Gellen
PY  - 1980
DO  - 10.1016/0003-2697(80)90242-0
UR  - https://pubmed.ncbi.nlm.nih.gov/7377549/
ID  - 7377549
ER  -