Plaquette AEG Westinghouse Transportation Systems Inc. 1988 39 p

« https://en.wikipedia.org/wiki/Westinghouse_Electric_Corporation

« https://pastel.hal.science/tel-00529486v1/file/1996TH_YANG_TP_NS21097.pdf

« https://railroads.dot.gov/sites/fra.dot.gov/files/fra_net/17016/Safety_of_High_Speed_Ground_Transportation_Systems_Technical_Descriptions_of_Advanced_Braking_Concepts_for_High_Speed_Ground_Transportation-Sys.pdf

« https://www.advancedtransit.org/wp-content/uploads/2011/08/1989_report.pdf

« https://www.researchgate.net/publication/271257051_Automated_People_Movers_A_Futuristic_Approach_to_Modern_Transportation_Planning

« https://www.witpress.com/Secure/elibrary/papers/UT98/UT98003FU.pdf

« https://onlinepubs.trb.org/Onlinepubs/hrr/1972/397/397-001.pdf

« https://escholarship.org/uc/item/9gs4120h

« https://onlinepubs.trb.org/Onlinepubs/trr/1982/882/882-002.pdf

« https://citeseerx.ist.psu.edu/document?repid=rep1&type=pdf&doi=73d6b93083bd3dcc245a7bcc2f451ae17baecd39