@article{liang2020optical, title={Optical Wavelength Guided Self-Supervised Feature Learning For Galaxy Cluster Richness Estimate}, author={Liang, Gongbo and Su, Yuanyuan and Lin, Sheng-Chieh and Zhang, Yu and Zhang, Yuanyuan and Jacobs, Nathan}, journal={arXiv preprint arXiv:2012.02368}, year={2020} }