1. DS 405.6, 1978. Testing of sand, gravel and stone materials—Particle shape.
2. EN 13450, 2002. Aggregates for railway ballast.
3. The effect of particle form on sieve analysis: a test by image analysis;Fernlund;Engineering Geology,1998
4. Image-analysis method for determining 3-D size-distribution of coarse aggregates;Fernlund;Bulletin of Engineering Geology and the Environment,2004
5. Image-analysis method for determining 3-D shape of coarse aggregate;Fernlund;Cement and Concrete Research,2004