Characteristics of fine and ultrafine aerosols in the London underground - Prashant Kumar; Juan C. Zavala-Reyes; Gopinath Kalaiarasan; Hisham Abubakar-Waziri; Gloria Young; Ian Mudway; Claire Dilliway; Ramzi Lakhdar; Sharon Mumby; Michał M. Kłosowski; Christopher C. Pain; Ian M. Adcock; et al. (Science of The Total Environment, 2023)