TY  - JOUR
  - van Paradijs, J. Allington-Smith, J. Callanan, P. et al. 
  - 1990
  - January
  - Astronomy ; Astrophysics
  - Optical spectroscopy of V 1341 Cygni, the optical counterpart of Cygnus X-2
  - Published
  - ()
DA  - 1990/01
ER  - 

@article{V21249776,
   = {van Paradijs,  J. Allington-Smith and  J. Callanan,  P. et al.  },
   = {1990},
   = {January},
   = {Astronomy ; Astrophysics},
   = {Optical spectroscopy of V 1341 Cygni, the optical counterpart of Cygnus X-2},
   = {Published},
   = {()},
  source = {IRIS}
}