@book{Grefermann+2020, url = {https://doi.org/10.3790/9783428460502}, title = {Papier- und Pappeverarbeitung}, title = {Strukturwandlungen und Entwicklungsperspektiven}, author = {Klaus Grefermann}, publisher = {Duncker & Humblot}, address = {}, doi = {doi:10.3790/9783428460502}, isbn = {9783428460502}, year = {1986}, lastchecked = {2020} }