TY  - RPRT
TI  - Preparative free-flow electrophoresis as a method of fractionation of natural organic materials
AU  - J.A. Leenheer
AU  - Ronald L. Malcolm
PY  - 1973
DO  - 10.3133/wsp1817d
UR  - https://pubs.usgs.gov/publication/wsp1817D
ID  - wsp1817D
ER  -