@article{9d01d29c3a9542948e44586da8a9f9af,
title = "You scratch someone's back and we'll scratch yours: Collective reciprocity in social Q&A communities",
keywords = "communities of practice, message systems, virtual communities",
author = "Wu, {Philip Fei} and Nikolaos Korfiatis",
year = "2013",
month = oct,
day = "1",
doi = "10.1002/asi.22913",
language = "English",
volume = "64",
pages = "2069--2077",
journal = "Journal of the American Society for Information Science and Technology",
issn = "1532-2882",
publisher = "John Wiley and Sons Inc.",
number = "10",
}