TY  - BOOK
AU  - Konigfeld, G.
TI  - Studies on the influence of chromium compounds on the biological treatment of effluent in the presence of tannery efflue
PB  - National Technical Information Service
UR  - http://krc.clri.res.in:80/cgi-bin/koha/opac-detail.pl?biblionumber=7579
ER  -