@misc{misc, title  = {{M4-18: The planetary nebula and its WC10 central star}},

 url = {{http://dx.doi.org/10.1046/j.1365-8711.1999.02591.x }},

 year = {{1999}},

 month = {{3}},

 author = {{Marco OD and Crowther PA}},

 note = {{Accessed on 2025/04/05}}}