He II Lyman-alpha radiation transfer and Bowen fluorescence in Seyfert galaxies and quasars
1975 ◽
Vol 27
(4)
◽
pp. 279-294
◽
1993 ◽
Vol 26
(1)
◽
pp. 139-148
◽
1984 ◽
Vol 128-129
◽
pp. 974-976
◽
1956 ◽
Vol 61
(3)
◽
pp. 571-573
◽
1978 ◽
Vol 19
(6)
◽
pp. 555-567
◽