An identification of a publisher; a publisher's name along with the date and address and edition that is printed at the bottom of the title page WordNet 3.0 & Open English WordNet

An Impressum is a legally mandated statement of the ownership and authorship of a document, which must be included in books, newspapers, magazines, websites, and business correspondence published or otherwise made available to consumers in Germany and certain other German-speaking countries, such as Austria and Switzerland. Wikipedia

A statement of the ownership and authorship of a document, which must be included in books, newspapers, magazines and websites published in Germany and certain other German-speaking countries. Wiktionary

The name and details of a publisher or printer, as printed in a book etc.; a publishing house. Wiktionary

The name and details of a publisher or printer, as printed in a book etc. Wiktionary (translation)