https://repository.lsu.edu/physics_astronomy_pubs/892/
"The equatorial disk at the center of the PN CPD-568032" by O. Chesneau, A. Collioud et al.
We present N band observations of the planetary nebula CPD-568032 by VLTI/MIDI. The dusty environment of CPD-568032 exhibits a bright unresolved core and a...