Variability and emission mechanism in Seyfert 1 galaxies : a near-infrared outburst in NGC 4051.
Journal article published in 1993 by
M. Salvati,
L. K. Hunt 
,
G. Calamai,
G. Del Zanna,
E. Giannuzzo,
M. Kidger,
F. Mannucci,
R. M. Stanga,
W. Wamsteker
,
G. Calamai,
G. Del Zanna,
E. Giannuzzo,
M. Kidger,
F. Mannucci,
R. M. Stanga,
W. Wamsteker
