1. Kamel Boulos MN, Resch B, Crowley DN, Breslin JG, Sohn G, Burtner R, Pike WA, Jezierski E, Chuang K-YS: Crowdsourcing, citizen sensing and Sensor Web technologies for public and environmental health surveillance and crisis management: trends, OGC standards and application examples. Int J Health Geogr. 2011, 10: 67-10.1186/1476-072X-10-67.http://www.ij-healthgeographics.com/content/pdf/1476-072X-10-67.pdf,
2. Kamel Boulos MN: Seeing through the crowds: crowdmaps visualize user-reported data. GeoWorld. 2012, 25 (6): 22-25.http://tinyurl.com/geoplace-com-cache,
3. Kamel Boulos MN: Towards citizen-led health mapping. GeoConnexion: UK. 2013, 11 (5): 54-56.http://www.geoconnexion.com/uploads/publication_pdfs/uk-v11i5-article-towards-citizen.pdf,
4. Kamel Boulos MN: Public engagement and participation in health geography: crowdmaps (crowdsourced maps) by citizens, for citizens. Proceedings of GEOMED 2013, the 8th international interdisciplinary conference on spatial epidemiology, spatial statistics and geomedical systems. 2013, Sheffield, UK: The Edge—University of Sheffield conference venue, 16-18.http://tinyurl.com/MNKB-Geomed2013,
5. Air Quality Egg.http://airqualityegg.com/,