@article{Sudman1973,
author = {Sudman, Seymour and Bradburn, Norman M.},
title= {Effects of Time and Memory Factors on Response in Surveys},
year = {1973},
doi = {10.1080/01621459.1973.10481428},
journal = {Journal of the American Statistical Association},
volume = {68},
number = {344},
pages = {805--815},
}