Media type: E-Article Title: Do Bells Affect Behaviour and Heart Rate Variability in Grazing Dairy Cows? Contributor: Johns, Julia; Patt, Antonia; Hillmann, Edna Published: Public Library of Science (PLoS), 2015 Published in: PLOS ONE, 10 (2015) 6, Seite e0131632 Language: English DOI: 10.1371/journal.pone.0131632 ISSN: 1932-6203 Origination: Footnote: Access State: Open Access