@article{Cotfas_2021,
title={The Longest Month: Analyzing COVID-19 Vaccination Opinions Dynamics From Tweets in the Month Following the First Vaccine Announcement},
volume={9},
ISSN={2169-3536},
url={http://dx.doi.org/10.1109/access.2021.3059821},
DOI={10.1109/access.2021.3059821},
journal={IEEE Access},
publisher={Institute of Electrical and Electronics Engineers (IEEE)},
author={Cotfas,
Liviu-Adrian and Delcea,
Camelia and Roxin,
Ioan and Ioanas,
Corina and Gherai,
Dana Simona and Tajariol,
Federico},
year={2021},
pages={33203–33223} }