... 1] oai:arXiv.org:1506.03219 [ pdf ] - 1155006 . ... The Mass-Metallicity relation in galaxies of different morphological types . ... Study of such composite galaxies will help address how the star formation and disk-accretion phenomena may have regulated each other at high redshift and how this coordination may have participated to the build-up of the relationship observed locally between the masses of black holes and stellar spheroids. [21] oai:arXiv.org:astro-ph/0605437 [ pdf ] - 167013 . ...