@article{Watts1992,
author = {Watts, C.H. and May, R.M.},
title= {The influence of concurrent partnerships on the dynamics of HIV/AIDS},
year = {1992},
doi = {10.1016/0025-5564(92)90006-I},
journal = {Mathematical Biosciences},
volume = {108},
number = {1},
pages = {89--104},
}