NICER observations of the evidence of Poynting-Robertson drag and disk reflection during type I X-ray bursts from 4U 1636–536Guoying Zhao, Zhaosheng Li, Yuanyue Pan, Maurizio Falanga, Long Ji, Yupeng Chen and Shu ZhangA&A, 660 (2022) A31DOI: https://doi.org/10.1051/0004-6361/202142801