WORTMANN, Felix - GEBAUER, Heiko - LAMPRECHT, Claudio. Understanding Products as Services : How the Internet and AI are Transforming Product Companies : With 66 Actionable Product–Service Patterns. 1st Edition. Leeds : Emerald Publishing, 2024. 228 s. Available on Internet: <https://www.emerald.com/insight/publication/doi/10.1108/9781837978236> ISBN 978-1-83797-823-6.