TY  - RPRT
TI  - Gradient elution in normal-phase high-performance liquid chromatographic systems.
AU  - Pavel Jandera
PY  - 2002
DO  - 10.1016/s0021-9673(01)01323-1
UR  - https://pubmed.ncbi.nlm.nih.gov/12236529/
ID  - 12236529
ER  -