This International Standard gives guidance on the keeping of statistics to provide standardized information on various aspects of the production and distribution of printed, electronic and micro-publications (essentially books, newspapers and periodicals) in a particular country.For the purposes of this International Standard, the following types of publications are excluded:a) Publications issued for advertising purposes, provided that the literary or scientific text is subsidiaryand that the publications are distributed free of charge; these include:. trade catalogues, prospectuses and other types of commercial, industrial and tourist advertising;. public