Copyright 1991 Paul Ginsparg This work may be distributed and/or modified under the conditions of the terms of the Creative Commons Attribution 3.0 Unported Licence which may be found at http://creativecommons.org/licenses/by/3.0/legalcode and described in human readable form at http://creativecommons.org/licenses/by/3.0/ The attribution requirement may be satisfied by including an acknowledgement that a work is "based on harvmac by Paul Ginsparg". Copyright and licensing information added with the permission of the author by Clea F. Rees on 2008/12/20. harvmac provides macros for scientific articles.