TY  - BOOK
AU  - Van Groningen, Ernst
TI  - Broad line regions in seyfert-1 galaxies: high resolution spectroscopy and multicomponent kinematical models
PY  - 1955///
CY  - Sterrewacht Leiden
PB  - Geboren Te Haarlen
KW  - Seyfert galaxies
KW  - Seyfert nuclei
ER  -