Media type: E-Article Title: A fast and robust method for the extraction and analysis of quaternary alkyl ammonium compounds from soil and sewage sludge Contributor: Heyde, Benjamin Justus; Barthel, Anne; Siemens, Jan; Mulder, Ines imprint: Public Library of Science (PLoS), 2020 Published in: PLOS ONE Language: English DOI: 10.1371/journal.pone.0237020 ISSN: 1932-6203 Origination: Footnote: Access State: Open Access