Pika, Simone Humboldt Forschungsgruppe Pika, Seewiesen, Max Planck Institut für Ornithologie, Max Planck Society;
Pika, S. (2012). The case of referential gestural signaling. Where next? Communicative & integrative biology, 5(6), 578-582. doi:10.4161/cib.22012.