L. E. Snyder, D. Buhl: Interstellar Isocyanic Acid. In: The Astrophysical Journal. Bd. 177, 1972, S. 619–623 doi:10.1086/151739. (PDF; 383 kB)
D. C. Lis, J. Keene, K. Young, T. G. Phillips, D. Bockelée-Morvan, J. Crovisier, P. Schilke, P. F. Goldsmith, E. A. Bergin: Spectroscopic Observations of Comet C/1996 B2 (Hyakutake) with the Caltech Submillimeter Observatory. In: Icarus. Bd. 130, Nr. 2, 1997, S. 355–372 doi:10.1006/icar.1997.5833. (PDF; 339 kB)
D. C. Lis, J. Keene, K. Young, T. G. Phillips, D. Bockelée-Morvan, J. Crovisier, P. Schilke, P. F. Goldsmith, E. A. Bergin: Spectroscopic Observations of Comet C/1996 B2 (Hyakutake) with the Caltech Submillimeter Observatory. In: Icarus. Bd. 130, Nr. 2, 1997, S. 355–372 doi:10.1006/icar.1997.5833. (PDF; 339 kB)