1. Bockelée-Morvan D, Lis DC, Wink JE, Despois D, Crovisier J, Bachiller R, Benford DJ, Biver N, Colom P, Davies JK, Gérard E, Germain B, Houde M, Mehringer D, Moreno R, Paubert G, Phillips TG, Rauer H (2000) New molecules found in comet C/1995 O1 (Hale-Bopp). Investigating the link between cometary and interstellar material. Astron Astrophys 353:1101–1114
2. Brown RD, Crofts JG, Godfrey PD, Gardner FF, Robinson BJ, Whiteoak JB (1975) Discovery of interstellar methyl formate. Astrophys J Lett 197:L29–L31
3. Ellder J, Friberg P, Hjalmarson Å, Höglund B, Irvine WM, Johansson LEB, Olofsson H, Rydbeck G, Rydbeck OEH, Guèlin M (1980) On methyl formate, methane, and deuterated ammonia in Orion A. Astrophys J Lett 242:L93–L96