Usability of Inexpensive Optical Pulse Sensors for Textile Integration and Heartbeat Detection Code Development
N. Richter, K. Tuvshinbayar, G. Ehrmann, A. Ehrmann, Electronics 12 (2023).

Electronic Textiles
G. Ehrmann, A. Ehrmann, Encyclopedia 1 (2021) 115–130.

Suitability of common single circuit boards for sensing and actuating in smart textiles
G. Ehrmann, A. Ehrmann, Communications in Development and Assembling of Textile Products 1 (2020) 170–179.