For general inquiries please contact retro@seals.ch.
For technical questions please contact webmaster@seals.ch.
For questions concerning the digitisation of further journals please contact Ms Yvonne Inden (yvonne.inden@library.ethz.ch).

PLEASE NOTE: All messages which have been sent to retro@seals.ch before October 25th, 2008 could not be delivered. Please resubmit your enquiry.