Author of design, code and text in this web site: Uldis Mikelsons.

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It is permitted to use these materials for personal needs and to quote and retell them in student's papers, but in any case anyone must indicate the author and original source. It is not permitted to make in any way not authorised changes if someone quoting or retelling these materials.

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All materials in this web site are protected by the Copyright Law and Criminal Law of the Republic of Latvia: Latvijas Republikas Autortiesību likums un Krimināllikums.