TY  - BOOK
AU  - Ruthren, Douglas M  .
TI  - Encyclopaedia of seperation technology, Vol 1 / 
SN  - 0-471-16124-1
U1  - 030.660 284 2 
PY  - 1997///
CY  - London : 
PB  - John Wiley & Sons , 
ER  -