Bibcode
                                    
                            Varela, A. M.; Beckman, J. E.; Cepa, J.; Muñoz-Tuñón, C.; Prieto, M.; Vilchez, J. M.
    Bibliographical reference
                                    International Conference on Dynamics and Interactions of Galaxies, p. 181 - 183
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                        0
            
                        1990
            
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                            Description
                                    The authors show, in NGC 4736, that the bulge indicates strong and
radially variable ellipticity, evidence of star formation, and outflow,
while the bulge of the non-starburst galaxy NGC 5033 gives no evidence
of peculiar or variable ellipticity.