BibTex format
@techreport{Varaden:2019,
author = {Varaden, D and Einar, L and Barratt, B},
publisher = {Greater London Authority},
title = {The Breathe London Wearables Study Engaging primary school children to monitor air pollution in London},
url = {https://www.london.gov.uk/sites/default/files/the_breathe_london_wearables_study_oct19.pdf},
year = {2019}
}