Trick, Ulrich. "Frontmatter". 5G: An Introduction to the 5th Generation Mobile Networks, Berlin, Boston: De Gruyter Oldenbourg, 2021, pp. I-VI. https://doi.org/10.1515/9783110724509-fm
Trick, U. (2021). Frontmatter. In 5G: An Introduction to the 5th Generation Mobile Networks (pp. I-VI). Berlin, Boston: De Gruyter Oldenbourg. https://doi.org/10.1515/9783110724509-fm
Trick, U. 2021. Frontmatter. 5G: An Introduction to the 5th Generation Mobile Networks. Berlin, Boston: De Gruyter Oldenbourg, pp. I-VI. https://doi.org/10.1515/9783110724509-fm
Trick, Ulrich. "Frontmatter" In 5G: An Introduction to the 5th Generation Mobile Networks, I-VI. Berlin, Boston: De Gruyter Oldenbourg, 2021. https://doi.org/10.1515/9783110724509-fm
Trick U. Frontmatter. In: 5G: An Introduction to the 5th Generation Mobile Networks. Berlin, Boston: De Gruyter Oldenbourg; 2021. p.I-VI. https://doi.org/10.1515/9783110724509-fm