Conditions of use

The ETH E-Collection is the official document server of ETH Zurich and is operated by the ETH Bibliothek. By accessing this server and using the services offered you are accepting the terms and conditions of use as binding.

Copyright remains with the authors.

The documents archived in the ETH E-Collection, or parts thereof, may be copied, printed and cited for scientific purposes and for personal use. Use the object’s Digital Object Identifier (DOI) to reference it. For example:

The publication of images from third parties in materials used solely for teaching purposes does not constitute copyright infringement.

All commercial use of the documents, or of parts or extracts thereof, is expressly prohibited without the prior agreement of and consultation with the ETH E-Collection team.