TY - GENERIC DO - 10.20944/preprints202003.0109.v1 UR - http://dx.doi.org/10.20944/preprints202003.0109.v1 TI - An Analysis of Time-Varying Crowding on Subway Platforms using AFC Data in Seoul Metropolitan Subway Network T2 - Preprints AU - Shin, Seongil Shin AU - Lee, Sangjun PY - 2020 DA - 2020/03/06 PB - Preprints