1.
Astrophysics Of Gaseous Nebulae And Active Galactic Muclei
by Osterbrock, Donald E., Ferl...
ISBN: 9781891389344
List Price: $88.50
2.
Astrophysics of Gaseous Nebulae and Active Galactic Nuclei
by Osterbrock, Donald E., Ferl...
ISBN: 9781938787331