@inbook{xinli_albregtsen_foyn_1995, 
  title={TEXTURE ANALYSIS USING GRAY LEVEL GAP LENGTH MATRIX}, 
  DOI={10.1142/9789812830579_0006}, 
  publisher={WORLD SCIENTIFIC}, 
  author={Xinli and Albregtsen and Foyn}, 
  year={1995}
  }