https://defence-industry.eu/germany-officially-hands-over-cutting-edge-rch-155-artillery-system-to-ukraine/
https://www.bmvg.de/de/aktuelles/pistorius-uebergibt-erste-radhaubitze-rch-155-an-ukraine-5876068
https://www.bundesregierung.de/breg-en/federal-government/military-support-ukraine-2054992
https://www.twz.com/land/ukraine-gets-first-rch-155-wheeled-howitzer-boxer-fighting-vehicles-may-follow
https://soldat-und-technik.de/2021/08/bewaffnung/28311/video-kmw-stattet-rch-155-radhaubitze-mit-hunter-killer-faehigkeit-aus/
https://defence-industry.eu/swiss-armed-forces-selects-agm-artillery-gun-module-from-knds-deutschland/
https://www.hartpunkt.de/rct30-ukraine-erhaelt-boxer-radschuetzenpanzer-von-knds-deutschland/
https://kyivindependent.com/germany-announces-first-deliveries-of-promised-rch-155-self-propelled-howitzers/
https://www.dw.com/en/ukraine-updates-germany-hands-over-first-of-new-howitzers/live-71281086
https://www.army-technology.com/news/germany-leans-on-industry-for-latest-pzh-2000-artillery-provision-to-ukraine/
https://armyrecognition.com/focus-analysis-conflicts/army/conflicts-in-the-world/russia-ukraine-war-2022/exclusive-germany-confirms-delivery-of-nine-boxer-rct30-ifvs-to-defend-ukraines-artillery-from-russian-drones
https://www.19fortyfive.com/2025/01/russias-artillery-advantage-in-the-ukraine-war-is-slipping-away/
https://www.artec-boxer.com/index.php?id=55