[1]SyntheticCommunications,2008,vol.38,p.1725-1736
[2]SyntheticCommunications,2007,vol.37,p.2861-2868
[1]SyntheticCommunications,2007,vol.37,p.2861-2868
[1]SyntheticCommunications,2007,vol.37,p.2861-2868
[1]SyntheticCommunications,2007,vol.37,p.2861-2868