@conference{astrom-scia-93,
author = "{\AA}str{\"o}m, Kalle",
title = "Affine Invariants of Planar Sets",
booktitle ="SCIA'93 Proceedings of the 8th Scandinavian Conference on Image Analysis",
volume = "I",
pages = "769-776",
publisher = "NOBIM, Norwegian Society for Image Processing and Pattern Recognition",
year = "1993"
}

Back