The source code, class files, and associated documentation and data files are included in the file mfa.src.tar.Z. After the user receives the file as (for example) mfa.src.tar.Z, the user will have to uncompress the file with the command (for example) uncompress mfa.src.tar.Z, and then untar the resulting file with the command (for example) tar xvf mfa.src.tar. Some of the code is in five packages. This code will be placed in five subdirectories of the directory in which you untar mfa.src.tar. Please read the README.html, copyright, and disclaimer files.