Individual readers of journals in this service, and non-profit libraries acting for them, are permitted to make `fair use' of the material in it, such as to make a photocopy of an article, or to print a physical copy from an electronic source file of an article for use in teaching or research. Permission is granted to quote short passages and illustrations from journals in this service in scientific works with no further formality than the customary acknowledgement of the source. Republication or systematic or multiple reproduction of longer passages from this service is permitted only under licence from the International Union of Crystallography (the IUCr); in addition, the IUCr may require that permission be obtained from one of the authors.
Enquiries and requests for permission should be addressed to The Executive Secretary, International Union of Crystallography, 2 Abbey Square, Chester CH1 2HU, England (firstname.lastname@example.org).
For further information, please also see the page "Copyright policy".
Terms and Conditions of Use for
Terms and Conditions of Use for Personal Subscribers
Terms and Conditions of Use for Individual Article Purchase