| lar nebulae. | |
| Ref: | =1984A&A...131..200N |
| by | NECKEL T. , STAUDE H.J. |
| Astron. Astrophys., 131, 200-209 (1984) | |
| A survey of bipolar and cometary nebulae. Photographic and photometric observations. | |
| o | Table 1: <[NS84] NNa> (Nos 1, 2a-2b, 3-20) |
====Sorry, no entry could be found==== | |