https://www.mdpi.com/2379-139X/8/1/2 Authors Published Date: 2021-12
https://dukespace.lib.duke.edu/items/38c12cfd-81b6-4af7-812a-e61ee52573d6 Authors Published Date: 2020
https://www.sciencedirect.com/science/article/abs/pii/S0730725X21000023 Authors Published Date: 2021-01
https://aapm.confex.com/aapm/2024am/meetingapp.cgi/Paper/10330 Authors Published Date: 2024-07
https://www.waisman.wisc.edu/2020/09/13/alexander-slide-of-the-week-2020/ Authors Published Date: 2020-09
