@article{Cannell1964,
author = {Cannell, C.F. and Fowler, F.J.},
title= {A note on interviewer effect in self-enumerative procedures},
year = {1964},
doi = {10.2307/2092130},
URL = {https://doi.org/10.2307/2092130.},
volume = {29},
number = {2},
pages = {270},
}