TY  - BOOK
AU  - Block,Richard
AU  - Durrum, E.
AU  - Zweig, G.
TI  - A Manual of paper chromatography and paper electrophoresis
U1  - 543.544 
PY  - 1958///
CY  - New York
PB  - Academic Press
KW  - ELECTROFORESIS EN PAPEL
KW  - CROMATOGRAFIA EN PAPEL
ER  -