Automatic crystal chemical classification of silicates using direction-labeled graphs

Goetzke, K., Klein, H. J., & Kandzia, P. (1988). Automatic crystal chemical classification of silicates using direction-labeled graphs. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 314 LNCS, pp. 242–254). Springer Verlag. https://doi.org/10.1007/3-540-19422-3_19