@inbook{mokhtarian_abbasi_kittler_1998, 
  title={Efficient and Robust Retrieval by Shape Content through Curvature Scale Space}, 
  DOI={10.1142/9789812797988_0005}, 
  publisher={WORLD SCIENTIFIC}, 
  author={Mokhtarian and Abbasi and Kittler}, 
  year={1998}
  }