151 citations · 199 across the 21 of their papers we have counts for
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L. A. Gutiérrez-Soto, D. R. Gonçalves, S. Akras +28
From the approximately ∼3,500 planetary nebulae (PNe) discovered in our Galaxy, only 14 are known to be members of the Galactic halo. Nevertheless, a systematic search for hal…