“…No. 1, 1986 published in German with the title "Polen".…”

“…Issued also in French, German, Spanish, and Italian.…”

“…Chiefly in French; some English and German.…”

“…From 1983, No. 1: ISSN 0004-8194.Original edition in German.…”

“…Summaries in French and German.Continues: Marketing in Hungary, ISSN 0025-3731.…”