@article{Kastner2002_0,
        Abstract = {N/A},
        Author = {Joel H. Kastner and Jingqiang Li and Saeqa D. Vrtilek and Ian Gatley and Michael K. Merrill and Noam Soker},
        Journal = {Astrophysical Journal},
        Keywords = {x-ray},
        Month = {},
        Number = {1225},
        Pages = {},
        Title = {On the Asymmetries of Extended X-Ray Emission from Planetary Nebulae},
        Url = {},
        Volume = {581},
        Year = {2002}}