TY  - BOOK
AU  - Walter, Harry.
AU  - Johansson, Gote.
TI  - Methods in enzymology, V.228: aqueous two-phase systems /ed. by Harry Walter, Gote Johansson
U1  - 574.1925 
PY  - 1994///
CY  - San Diego
PB  - AP
ER  -