Rights:
© 2000 American Physical Society (APS). This is the accepted version of the following article: Seppälä, Eira T. & Räisänen, Vilho I. & Alava, Mikko J. 2000. Scaling of interfaces in brittle fracture and perfect plasticity. Physical Review E. Volume 61, Issue 6. 6312-6319. ISSN 1539-3755 (printed). DOI: 10.1103/physreve.61.6312, which has been published in final form at http://journals.aps.org/pre/abstract/10.1103/PhysRevE.61.6312.