This page has not yet been updated for version 3.0, sorry. From the README file:
All you need to use this package is the file `rmaa.cls' However, you may find the Author Guide and sample documents instructive. File Manifest for rmaa.tar: --------------------------- README this file rmaa.cls LaTeX class file for typesetting RMAA articles rmaacite.sty auxilliary style file for semi-automatic citing (deprecated) rmuser.tex Guide for Authors rmprocsamp.tex annotated sample proceedings article rmprocsamp_fig1.ps postscript figure included by rmprocsamp.tex rmprocsamp_fig2.ps postscript figure included by rmprocsamp.tex rmprocsamp_fig3.ps postscript figure included by rmprocsamp.tex rmpostsamp.tex sample 1-page poster article rmtest.tex another sample article rmeditor.tex Guide for Editors (incomplete) rmplatesamp.tex sample article with a plate rmplatesamp_fig.ps postscript figure included by rmplatesamp.tex GPL Terms and conditions for copying, distribution and modification OLDLATEX/ Directory containing 4 style files that will let you use the macros even if you have an obsolete version of LaTeX File Manifest for rmaa_editor.tar: ---------------------------------- All the above, plus rmbooksamp.tex annotated sample proceedings volume rmsummsamp.tex sample conference summary rmaa.ist MakeIndex style file splitbook.sh Utility shell script fixbb.sh Utility shell script fixhtml.sh Utility shell script sanitizeps.sh Utility shell script rmsc.ps PS file of logo for title page rmsc_blank.ps Blank version of above