Zhang, J., & Zeng, M. (2014). A New Similarity Measure for Subject Hierarchical Structures. Journal of Documentation. https://doi.org/http://dx.doi.org/10.1108/JD-12-2012-0160
Zhang, Jin, and Marcia Zeng. 2014. “A New Similarity Measure for Subject Hierarchical Structures”. Journal of Documentation. https://doi.org/http://dx.doi.org/10.1108/JD-12-2012-0160.
Zhang, J., and M. Zeng. A New Similarity Measure for Subject Hierarchical Structures. Journal of Documentation, 1 Jan. 2014, doi:http://dx.doi.org/10.1108/JD-12-2012-0160.