@article{Luo2019, author = "Hao Luo", title = "{ENVIRONMENTAL IMPACT ASSESSMENT AND IMPROVED DESIGN OF BIKE SHARING SYSTEMS FROM THE LIFE CYCLE PERSPECTIVE}", year = "2019", month = "6", url = "https://hammer.purdue.edu/articles/thesis/ENVIRONMENTAL_IMPACT_ASSESSMENT_AND_IMPROVED_DESIGN_OF_BIKE_SHARING_SYSTEMS_FROM_THE_LIFE_CYCLE_PERSPECTIVE/8019557", doi = "10.25394/PGS.8019557.v1" }