@book { ObservingandAnalyzingCommunicationBehavior, title = "Observing «and» Analyzing Communication Behavior", author = "John A. {Courtright}", year = "2015", publisher = "Peter Lang Verlag", address = "New York, United States of America", doi = "10.3726/978-1-4539-1245-4", url = "https://www.peterlang.com/document/1051441" }