1. VDI 2221 - Part 1. Design of technical products and systems - Model of product design. VDI - The Association of German Engineers; 2019.
2. Identification of knowledge and processes in design projects;Schmidt,2015
3. Albers A Rapp S, Gram M. Knowledge Transfer Velocity Model Implementation - An Empirical Study In Product Development Contexts. Published in: Gronau, N. and Gram, M. Knowledge Transfer Speed Optimizations in Product Development Contexts: Results of a Research Project. GITO mbH Verlag; 2019.
4. Examining the quality of knowledge transfers - the draft of an empirical research;Gram;Proc. Design Society,2021
5. Wissensorientierte Unternehmensführang: Wissensmanagement gestalten;North,2016