@inproceedings{sgem2012s13v3035,
  title = {NATURAL METHODS OF WASTEWATER TREATMENT},
  author = {Pavlina and Krecmerova},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2012 12th International Multidisciplinary Scientific GeoConference},
  year = {2012},
  pages = {777 - 784 pp},
  publisher = {Stef92 Technology},
  doi = {10.5593/sgem2012/s13.v3035}
}