@book{Schwarz1994,
author = {Schwarz, N. and Wellens, T.},
title= {Cognitive dynamics of proxy responding: The diverging perspectives of actors and observers},
year = {1994},
URL = {https://citeseerx.ist.psu.edu/viewdoc/download;jsessionid=F0137EF907BBA8C0A98D8075288AC19A?doi=10.1.1.39.5355&rep=rep1&type=pdf},
}