@article{Long_Alison_McManus_2017, title={Child pornography offenders and practical research: an evidenced-based approach to prioritising the investigation}, url={http://bulletin.cepol.europa.eu/index.php/bulletin/article/view/217}, number={2}, journal={European Law Enforcement Research Bulletin}, author={Long, Matthew and Alison, Laurence and McManus, Michelle}, year={2017}, month={Jul.}, pages={189-196}