TY  - BOOK
AU  - Heftmann, Erich
TI  - Chromatography: : a laboratory handbook of chromatographic and electrophoretic methods 
U1  - 544.92028 H50C  
PY  - 1975///
CY  - New York
PB  - Van Nostrand Reinhold company
KW  - Chromatography
ER  -