@article{katagiri,
  title = {Statistical Variability of Image-Derived Observables in Rotating-Drum Tests of a Cohesive Metal Powder: Dynamic Angle of Repose Versus Contour-Length Statistics},
  author = {Jun Katagiri, Masahiro Kusano, Makoto Watanabe},
  publisher = {MDPI AG},
  year = {2026},
  keywords = {rotating drum, cohesive powder, dynamic angle of repose, image-derived observable, statistical variability}
}