kartoniertem
Kartoniertem is the dative singular form of the German adjective kartoniert, derived from Karton (cardboard). The term describes something that is made of or covered with cardboard. In publishing and library language, kartoniert denotes a paperback or softcover edition, typically with a paper or light cardboard cover, as opposed to a gebundene Ausgabe (hardcover).
In bibliographic usage, a kartonierte Ausgabe is a version of a book published with a paper-bound cover
Grammar and usage notes: kartoniertem appears as the dative singular form when the adjective modifies a masculine
Etymology and related terms: kartoniert is formed from Karton + -iert, a common way to create adjectives