De Marco, O;
Crowther, PA;
Barlow, MJ;
Clayton, GC;
de Koter, A;
(2001)
SwSt 1: an O-rich planetary nebula around a C-rich central star.
Monthly Notices of the Royal Astronomical Society
, 328
(2)
pp. 527-554.
10.1046/j.1365-8711.2001.04887.x.