http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Purification of waters discharged from Polish lignite mines
Centralny Ośrodek Badawczo-Projektowy Górnictwa Odkrywkowego Poltegor
Industrial Environmental Research Laboratory (Cincinnati, Ohio)
xiii, 165 pages : illustrations, graphs ; 28 cm.
by Henryk Janiak, Central Research and Design Institute for Open-pit Mining POLTEGOR.
Research reporting series. EPA-600/7-79-099
Interagency energy-environment research and development