TY  - BOOK
ED  -  United Nations. 
TI  -  Membrane technology in the chemical industry
SN  -  9211164656
PY  - 1990///
CY  -  New York : 
PB  -  United Nations, 
KW  -  Membranes (Technology)
N1  -  At head of title: Economic Commission for Europe, Geneva
ER  -