Louis, C. K., Jackman, C. M., Mangham, S. W., Smith, K. D., O'Dwyer, E. P., Empey, A., Cecconi, B., Zarka, P. and Maloney, S. (2022) The "SPectrogram Analysis and Cataloguing Environment"(SPACE) Labelling Tool. Frontiers. (Preprint)