TY  - BOOK
TI  - Rational use of water and its treatment in the chemical industry 
SN  - 9211165008
AV  - TP155 
PY  - 1991///
PB  - United Nations
KW  - Chemical industry-
KW  - Water-supply
N1  - 146 p. : ill. ; 30 cm. At head of title: Economic Commission for Europe, Geneva "ECE/CHEM/78." "United Nations publication sales no. E.91.II.E.3"--T.p. verso NHAH
ER  -