M. T. Wolff

NICER Observes the Effects of an X-Ray Burst on the Accretion Environment in Aql X-1

C. B. Markwardt, J. Chenevez, T. E. Strohmayer, 2018, 1808.06441.

Spectral formation in accreting X-ray pulsars: bimodal variation of the cyclotron energy with luminosity

D. Klochkov, P. Kretschmar, C. Ferrigno, 2012, 1205.5316.

USA and RXTE Observations of a Variable Low-Frequency QPO in XTE J1118+480

P. S. Ray, B. Giebels, K. S. Wood, 2000 .

The USA X-ray timing experiment

P. S. Ray, W. N. Johnson, B. Giebels, 1999 .