TRAMO-SEATS methodology

Dear Colleagues

would someone know a suitable online-source for information
regarding the TRAMO SEATS method for time series ?
(an alternative to X12 ARIMA and earlier ARIMAs used by the US census 
bureau)

Cheers

-----------------------------

Soren Wilkening
Principal Consultant

phone: +49-30-96080121
wilkening at censix.com

CENSIX Consulting
Statistics, Surveys, Censuses
http://www.censix.com