Schwerdt, P. (1989). Mass Deacidification Procedures for Libraries and Archives: State of Development and Perspectives for Implementation in the Federal Republic of Germany.
Chicago-Zitierstil (17. Ausg.)Schwerdt, Peter. Mass Deacidification Procedures for Libraries and Archives: State of Development and Perspectives for Implementation in the Federal Republic of Germany. 1989.
MLA-Zitierstil (9. Ausg.)Schwerdt, Peter. Mass Deacidification Procedures for Libraries and Archives: State of Development and Perspectives for Implementation in the Federal Republic of Germany. 1989.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.