@article{
    waw:nie:08,
    author = "Wawer, Aleksander and Nielek, Radosław",
    title = "Application of Automated Sentiment Extraction from Text to Modeling of Public Opinion Dynamics",
    journal = "Polish Journal of Environmental Studies",
    issn = "1230--1485",
    number = "3B",
    volume = "17",
    year = "2008",
    pages = "508--513"
}