Integral (train) (English Wikipedia)

"Wissenschaftler stellen Anti-Kollisionssystem für Züge vor" [Scientists present anti collision system for trains]. Aachener Nachrichten (in German). May 11, 2010. Archived from the original on August 21, 2019. Retrieved August 21, 2019.

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"Wissenschaftler stellen Anti-Kollisionssystem für Züge vor" [Scientists present anti collision system for trains]. Aachener Nachrichten (in German). May 11, 2010. Archived from the original on August 21, 2019. Retrieved August 21, 2019.
"Transdev/BOB: Alle Talent- und Integral-Triebwagen durch Lint 54 ersetzt" [Transdev/BOB: All Talent and Integral multiple units replaced by Lint 54]. eurailpress.de (in German). DVV Media Group. July 29, 2020. Archived from the original on July 29, 2020. Retrieved August 1, 2020.
"Mettmann – Wuppertal: Regiobahn eröffnet neue Strecke mit Integral-Zügen" [Mettmann – Wuppertal: Regiobahn opens new line with Integral trains]. eurailpress.de (in German). DVV Media Group GmbH. December 15, 2020. Archived from the original on December 30, 2020. Retrieved December 30, 2020.

"Transdev/BOB: Alle Talent- und Integral-Triebwagen durch Lint 54 ersetzt" [Transdev/BOB: All Talent and Integral multiple units replaced by Lint 54]. eurailpress.de (in German). DVV Media Group. July 29, 2020. Archived from the original on July 29, 2020. Retrieved August 1, 2020.
"Mettmann – Wuppertal: Regiobahn eröffnet neue Strecke mit Integral-Zügen" [Mettmann – Wuppertal: Regiobahn opens new line with Integral trains]. eurailpress.de (in German). DVV Media Group GmbH. December 15, 2020. Archived from the original on December 30, 2020. Retrieved December 30, 2020.

Bauer, Alexander (August 6, 2018). "Bayern: Herbst für die Integrale und Talente bei der Bayerischen Oberlandbahn" [Bavaria: Autumn for the Integral and Talent trains at the Bayerische Oberlandbahn]. lok-report.de (in German). LOK Report-Verlag. Archived from the original on August 21, 2019. Retrieved August 21, 2019.

Höger, Andreas (March 30, 2018). "Vor 20 Jahren nahm die BOB Kurs auf" [20 years ago BOB started operating]. Münchner Merkur (in German). Archived from the original on August 21, 2019. Retrieved August 21, 2019.

Seeger, Heino (August 2010). "Die Bayerische Oberlandbahn" [The Bayerische Oberlandbahn]. regionale-schienen.at (in German). Verein Regionale Schienen. Archived from the original on August 21, 2019. Retrieved August 21, 2019.

Bauer, Alexander (August 6, 2018). "Bayern: Herbst für die Integrale und Talente bei der Bayerischen Oberlandbahn" [Bavaria: Autumn for the Integral and Talent trains at the Bayerische Oberlandbahn]. lok-report.de (in German). LOK Report-Verlag. Archived from the original on August 21, 2019. Retrieved August 21, 2019.
Höger, Andreas (March 30, 2018). "Vor 20 Jahren nahm die BOB Kurs auf" [20 years ago BOB started operating]. Münchner Merkur (in German). Archived from the original on August 21, 2019. Retrieved August 21, 2019.
Seeger, Heino (August 2010). "Die Bayerische Oberlandbahn" [The Bayerische Oberlandbahn]. regionale-schienen.at (in German). Verein Regionale Schienen. Archived from the original on August 21, 2019. Retrieved August 21, 2019.