1 Copyright 1993-2008 by Ziheng Yang
3 The software package is provided "as is" without warranty of any kind. In no event shall the author or his employer be held
4 responsible for any damage resulting from the use of this software, including but not limited to the frustration that you may
5 experience in using the package. The program package, including source codes, example data sets, executables, and this
6 documentation, is distributed free of charge for academic use only. Permission is granted to copy and use programs in the
7 package provided no fee is charged for it and provided that this copyright notice is not removed.
11 Yang, Z. 1997. PAML: a program package for phylogenetic analysis by maximum likelihood
12 Computer Applications in BioSciences 13:555-556.
14 Yang, Z. 2007. PAML 4: a program package for phylogenetic analysis by maximum likelihood.
15 Molecular Biology and Evolution 24: 1586-1591
16 (http://abacus.gene.ucl.ac.uk/software/paml.html).