Torres-Peimbert, S. (2010). ECHELLE SPECTROSCOPY OF THE NUCLEI OF THE HIGHLY COLLIMATED BIPOLAR PLANETARY NEBULAE M 2-9 AND M 1-91. Universidad Nacional Autónoma de México.
Cita Chicago Style (17a ed.)Torres-Peimbert, S. ECHELLE SPECTROSCOPY OF THE NUCLEI OF THE HIGHLY COLLIMATED BIPOLAR PLANETARY NEBULAE M 2-9 AND M 1-91. Universidad Nacional Autónoma de México, 2010.
Cita MLA (9a ed.)Torres-Peimbert, S. ECHELLE SPECTROSCOPY OF THE NUCLEI OF THE HIGHLY COLLIMATED BIPOLAR PLANETARY NEBULAE M 2-9 AND M 1-91. Universidad Nacional Autónoma de México, 2010.
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