Possible discovery of a cyclotron line in 4U 1901+03 with NuSTAR
Journal article published in 2019 by
J. B. Coley,
F. Fuerst 
,
P. Hemphill,
P. Kretschmar,
K. Pottschmidt,
G. K. Jaisawal,
C. Malacaria,
G. Vasilopoulos,
J. Wilms,
M. Wolff
,
P. Hemphill,
P. Kretschmar,
K. Pottschmidt,
G. K. Jaisawal,
C. Malacaria,
G. Vasilopoulos,
J. Wilms,
M. Wolff
