The Radial Topology Algorithm - A New Approach for Deriving 2.5D GIS Data Models. - Ulrich Lenk; Christian Heipke (GeoInformatica, 2006)

Geospatial Geodetic Engineering Contributions to Specialty Engineering Activities or a dedicated Specialty Engineering Discipline on their own in System of Systems Engineering? - Ulrich Lenk (SoSE, 2018)

Smart Cities and MBSE: Comparison of Concepts. - Ulrich Lenk (SoSE, 2020)

Systems Engineers are Borg! But do they have their means and tools? - Ulrich Lenk; Hans Lenk (SoSE, 2020)