@article{Berkman2011,
author = {Berkman, E.T. and Dickenson, J. and Falk, E.B. and Lieberman, M.D. },
title= {Using SMS text messaging to assess moderators of smoking reduction: Validating a new tool for ecological measurement of health behaviors},
year = {2011},
doi = {10.1037/a0022201},
journal = {Health Psychology },
volume = {30},
number = {2},
pages = {186--194},
}