Baldwin J., Phillips M., Terlevich R., 1981, PASP 93, 5
Kennicutt R. 1983, Ap.J. 272, 54
Kennicutt R. et al., 1994, Ap.J. 435, 22
Kennicutt R. et al., 1992, Ap.J. 388, 310
Mihalas D., Binney J., 1981, Galactic astronomy, 2nd ed., San Francisco, ed. Freeman
Miller G., Scalo J., 1979, Ap.J. Suppl. 41, 513
Osterbrock D., 1989, Astrophysics of Gaseous Nebulae and Active Galactic Nuclei.
Salpeter E., 1955, Ap.J. 121, 161
Tinsley B., 1980, Fundamentals of Cosmic Physics 5, 287
Veilleux S. & Osterbrock D., 1987, Ap.J. 63, 295
Table 2: Emission and absorption lines of Galaxies.