Warren L. G. Koontz, Keinosuke Fukunaga. A Nonparametric Valley-Seeking Technique for Cluster Analysis. IEEE Transactions on Computers, 21(2):171-178, 1972. [doi]
@article{KoontzF72a, title = {A Nonparametric Valley-Seeking Technique for Cluster Analysis}, author = {Warren L. G. Koontz and Keinosuke Fukunaga}, year = {1972}, doi = {10.1109/TC.1972.5008922}, url = {http://doi.ieeecomputersociety.org/10.1109/TC.1972.5008922}, researchr = {https://researchr.org/publication/KoontzF72a}, cites = {0}, citedby = {0}, journal = {IEEE Transactions on Computers}, volume = {21}, number = {2}, pages = {171-178}, }