@article{drummond2011affectiveenvironment,
 author = {Drummond J, Berthouze N, Steed A},
 title = {Affective reactions to visually masked stimuli within a virtual environment},
 year = {2011},
 journal = {Annual Review of CyberTherapy and Telemedicine},
 volume = {9},
 number = {1},
}