TY - CHAP A1 - Kindsmüller, Martin Christof A1 - Leuchter, S. A1 - Urbas, L. T1 - Online communities and online community building T2 - In: Encyclopedia of information science and technology / Mehdi Khosrow-Pour Y1 - 2015 UR - https://opus4.kobv.de/opus4-fhbrb/frontdoor/index/index/docId/987 SN - 1-591-40553-X SP - 2203 EP - 2208 PB - Information Science Reference CY - Hershey, Pa. ; New York, NY ER -