@article{Grenfell1989,
author = {Grenfell, B.T. and Anderson, R.M.},
title= {Pertussis in England and Wales: An investigation of transmission dynamics and control by mass vaccination},
year = {1989},
doi = {10.1098/rspb.1989.0022},
journal = {Proceedings of the Royal Society of London, Series B: Biological Sciences },
volume = {236},
number = {1284},
pages = {213--252},
}