1. Anonim, 2011. ISO 534:2011 Paper and board; Determination of thickness, density and specific volume.
2. Anonim, 2019. ISO 536:2019 Paper and board; Determination of grammage.
3. Bozkurt, Y., Erdin, N., 1989. Odunsu lifler ve tanımı. İstanbul Üniversitesi Orman Fakültesi Dergisi, 39: 1-16.
4. Cao, B., Tschirner, U., Ramaswamy, S., 1999. A study of changes in wet fiber flexibility and surface condition of recycled fibers. Paperi Ja Puu, 81(2): 117-122.
5. Carson, F. T., 1929. Critical Study of Methods of Measuring the Bulk of Paper. Bureau of Standards Journal of Research, 2: 1039-1056.