1. Ali, B., Ott, S., Gastaud, R., Okumura, K. & Didevo, Th. 2003, in The Calibration Legacy of the ISO Mission, ed. L. Metcalfe & M. F. Kessler (ESA SP-481; Noordwijk: ESA), 319
2. JHKLM photometry - Standard systems, passbands, and intrinsic colors
3. Blommaert, J. A. D. L., Siebenmorgen, R., Coulais, A., Okumura, K., Ott, S., Sauvage, M. & Starck, J.L. 2003, in The ISO Handbook, Vol. III (CAM), ed. T. G. Mueller, J. A. D. L. Blommaert, & P. Garcia-Lario (SAI-99-057/Dc, ver. 2.0; Noordwijk; ESA)