@article {1909.09632, archivePrefix = {arXiv}, eprint = {1909.09632}, primaryClass = {astro-ph.CO}, author = {Angus H. Wright and Hendrik Hildebrandt and Jan Luca van den Busch and Catherine Heymans}, title = {Photometric Redshift Calibration with Self Organising Maps}, year = {2019}, url = {http://arxiv.org/abs/1909.09632} }