TY - BOOK AU - Rich, Linvil G. TI - Low-maintenance, mechanically simple wastewater treatment systems SN - 0-07-052252-9 PY - 1980/// CY - New York PB - McGraw-Hill Book Company UR - http://krc.clri.res.in:80/cgi-bin/koha/opac-detail.pl?biblionumber=7084 ER -