@article{mai2018perdis,
 author = {Mai, Christian and Thiem, Niklas and Hussmann Heinrich},
 title = {DrawingPresence: A Method for Assessing Temporal Fluctuations of Presence Status in a VR Experience}, 
 journal = {Proc. ACM Interact. Mob. Wearable Ubiquitous Technol.},
 doi ={10.1145/3369827},
 year = {2019},
 volume = {3},
 publisher = {ACM}, 
 address = {New York, NY, USA},
}