BibTex format
@article{WILLIAMS:1994:10.2307/2983506,
author = {WILLIAMS, JR and ANDERSON, RM},
doi = {10.2307/2983506},
journal = {JOURNAL OF THE ROYAL STATISTICAL SOCIETY SERIES A-STATISTICS IN SOCIETY},
pages = {69--87},
title = {MATHEMATICAL-MODELS OF THE TRANSMISSION DYNAMICS OF HUMAN-IMMUNODEFICIENCY-VIRUS IN ENGLAND AND WALES - MIXING BETWEEN DIFFERENT RISK GROUPS},
url = {http://dx.doi.org/10.2307/2983506},
volume = {157},
year = {1994}
}